2004207920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4273}}^1$

素因数の和:4351

約数の個数: 160

約数和(自身を含む): 5609265984

約数和(自身を除く): 3605058064

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 41, 44, 52, 55, 65, 80, 82, 88, 104, 110, 130, 143, 164, 176, 205, 208, 220, 260, 286, 328, 410, 440, 451, 520, 533, 572, 656, 715, 820, 880, 902, 1040, 1066, 1144, 1430, 1640, 1804, 2132, 2255, 2288, 2665, 2860, 3280, 3608, 4264, 4273, 4510, 5330, 5720, 5863, 7216, 8528, 8546, 9020, 10660, 11440, 11726, 17092, 18040, 21320, 21365, 23452, 29315, 34184, 36080, 42640, 42730, 46904, 47003, 55549, 58630, 68368, 85460, 93808, 94006, 111098, 117260, 170920, 175193, 188012, 222196, 234520, 235015, 277745, 341840, 350386, 376024, 444392, 469040, 470030, 555490, 611039, 700772, 752048, 875965, 888784, 940060, 1110980, 1222078, 1401544, 1751930, 1880120, 1927123, 2221960, 2277509, 2444156, 2803088, 3055195, 3503860, 3760240, 3854246, 4443920, 4555018, 4888312, 6110390, 7007720, 7708492, 9110036, 9635615, 9776624, 11387545, 12220780, 14015440, 15416984, 18220072, 19271230, 22775090, 24441560, 25052599, 30833968, 36440144, 38542460, 45550180, 48883120, 50105198, 77084920, 91100360, 100210396, 125262995, 154169840, 182200720, 200420792, 250525990, 400841584, 501051980, 1002103960, 2004207920]

約数ペア:

[(1, 2004207920), (2, 1002103960), (4, 501051980), (5, 400841584), (8, 250525990), (10, 200420792), (11, 182200720), (13, 154169840), (16, 125262995), (20, 100210396), (22, 91100360), (26, 77084920), (40, 50105198), (41, 48883120), (44, 45550180), (52, 38542460), (55, 36440144), (65, 30833968), (80, 25052599), (82, 24441560), (88, 22775090), (104, 19271230), (110, 18220072), (130, 15416984), (143, 14015440), (164, 12220780), (176, 11387545), (205, 9776624), (208, 9635615), (220, 9110036), (260, 7708492), (286, 7007720), (328, 6110390), (410, 4888312), (440, 4555018), (451, 4443920), (520, 3854246), (533, 3760240), (572, 3503860), (656, 3055195), (715, 2803088), (820, 2444156), (880, 2277509), (902, 2221960), (1040, 1927123), (1066, 1880120), (1144, 1751930), (1430, 1401544), (1640, 1222078), (1804, 1110980), (2132, 940060), (2255, 888784), (2288, 875965), (2665, 752048), (2860, 700772), (3280, 611039), (3608, 555490), (4264, 470030), (4273, 469040), (4510, 444392), (5330, 376024), (5720, 350386), (5863, 341840), (7216, 277745), (8528, 235015), (8546, 234520), (9020, 222196), (10660, 188012), (11440, 175193), (11726, 170920), (17092, 117260), (18040, 111098), (21320, 94006), (21365, 93808), (23452, 85460), (29315, 68368), (34184, 58630), (36080, 55549), (42640, 47003), (42730, 46904)]