164541200

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 120

約数和(自身を含む): 413306880

約数和(自身を除く): 248765680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 79, 80, 82, 100, 127, 158, 164, 200, 205, 254, 316, 328, 395, 400, 410, 508, 632, 635, 656, 790, 820, 1016, 1025, 1264, 1270, 1580, 1640, 1975, 2032, 2050, 2540, 3160, 3175, 3239, 3280, 3950, 4100, 5080, 5207, 6320, 6350, 6478, 7900, 8200, 10033, 10160, 10414, 12700, 12956, 15800, 16195, 16400, 20066, 20828, 25400, 25912, 26035, 31600, 32390, 40132, 41656, 50165, 50800, 51824, 52070, 64780, 80264, 80975, 83312, 100330, 104140, 129560, 130175, 160528, 161950, 200660, 208280, 250825, 259120, 260350, 323900, 401320, 411353, 416560, 501650, 520700, 647800, 802640, 822706, 1003300, 1041400, 1295600, 1645412, 2006600, 2056765, 2082800, 3290824, 4013200, 4113530, 6581648, 8227060, 10283825, 16454120, 20567650, 32908240, 41135300, 82270600, 164541200]

約数ペア:

[(1, 164541200), (2, 82270600), (4, 41135300), (5, 32908240), (8, 20567650), (10, 16454120), (16, 10283825), (20, 8227060), (25, 6581648), (40, 4113530), (41, 4013200), (50, 3290824), (79, 2082800), (80, 2056765), (82, 2006600), (100, 1645412), (127, 1295600), (158, 1041400), (164, 1003300), (200, 822706), (205, 802640), (254, 647800), (316, 520700), (328, 501650), (395, 416560), (400, 411353), (410, 401320), (508, 323900), (632, 260350), (635, 259120), (656, 250825), (790, 208280), (820, 200660), (1016, 161950), (1025, 160528), (1264, 130175), (1270, 129560), (1580, 104140), (1640, 100330), (1975, 83312), (2032, 80975), (2050, 80264), (2540, 64780), (3160, 52070), (3175, 51824), (3239, 50800), (3280, 50165), (3950, 41656), (4100, 40132), (5080, 32390), (5207, 31600), (6320, 26035), (6350, 25912), (6478, 25400), (7900, 20828), (8200, 20066), (10033, 16400), (10160, 16195), (10414, 15800), (12700, 12956)]