2005497520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:623

約数の個数: 160

約数和(自身を含む): 5197167360

約数和(自身を除く): 3191669840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 89, 94, 104, 130, 178, 188, 208, 235, 260, 356, 376, 445, 461, 470, 520, 611, 712, 752, 890, 922, 940, 1040, 1157, 1222, 1424, 1780, 1844, 1880, 2305, 2314, 2444, 3055, 3560, 3688, 3760, 4183, 4610, 4628, 4888, 5785, 5993, 6110, 7120, 7376, 8366, 9220, 9256, 9776, 11570, 11986, 12220, 16732, 18440, 18512, 20915, 21667, 23140, 23972, 24440, 29965, 33464, 36880, 41029, 41830, 43334, 46280, 47944, 48880, 54379, 59930, 66928, 82058, 83660, 86668, 92560, 95888, 108335, 108758, 119860, 164116, 167320, 173336, 205145, 216670, 217516, 239720, 271895, 281671, 328232, 334640, 346672, 410290, 433340, 435032, 479440, 533377, 543790, 563342, 656464, 820580, 866680, 870064, 1066754, 1087580, 1126684, 1408355, 1641160, 1733360, 1928363, 2133508, 2175160, 2253368, 2666885, 2816710, 3282320, 3856726, 4267016, 4350320, 4506736, 5333770, 5633420, 7713452, 8534032, 9641815, 10667540, 11266840, 15426904, 19283630, 21335080, 22533680, 25068719, 30853808, 38567260, 42670160, 50137438, 77134520, 100274876, 125343595, 154269040, 200549752, 250687190, 401099504, 501374380, 1002748760, 2005497520]

約数ペア:

[(1, 2005497520), (2, 1002748760), (4, 501374380), (5, 401099504), (8, 250687190), (10, 200549752), (13, 154269040), (16, 125343595), (20, 100274876), (26, 77134520), (40, 50137438), (47, 42670160), (52, 38567260), (65, 30853808), (80, 25068719), (89, 22533680), (94, 21335080), (104, 19283630), (130, 15426904), (178, 11266840), (188, 10667540), (208, 9641815), (235, 8534032), (260, 7713452), (356, 5633420), (376, 5333770), (445, 4506736), (461, 4350320), (470, 4267016), (520, 3856726), (611, 3282320), (712, 2816710), (752, 2666885), (890, 2253368), (922, 2175160), (940, 2133508), (1040, 1928363), (1157, 1733360), (1222, 1641160), (1424, 1408355), (1780, 1126684), (1844, 1087580), (1880, 1066754), (2305, 870064), (2314, 866680), (2444, 820580), (3055, 656464), (3560, 563342), (3688, 543790), (3760, 533377), (4183, 479440), (4610, 435032), (4628, 433340), (4888, 410290), (5785, 346672), (5993, 334640), (6110, 328232), (7120, 281671), (7376, 271895), (8366, 239720), (9220, 217516), (9256, 216670), (9776, 205145), (11570, 173336), (11986, 167320), (12220, 164116), (16732, 119860), (18440, 108758), (18512, 108335), (20915, 95888), (21667, 92560), (23140, 86668), (23972, 83660), (24440, 82058), (29965, 66928), (33464, 59930), (36880, 54379), (41029, 48880), (41830, 47944), (43334, 46280)]