520485040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{7237}}^1$

素因数の和:7310

約数の個数: 80

約数和(自身を含む): 1292417280

約数和(自身を除く): 771932240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2480, 3596, 4495, 7192, 7237, 8990, 14384, 14474, 17980, 28948, 35960, 36185, 57896, 71920, 72370, 115792, 144740, 209873, 224347, 289480, 419746, 448694, 578960, 839492, 897388, 1049365, 1121735, 1678984, 1794776, 2098730, 2243470, 3357968, 3589552, 4197460, 4486940, 6506063, 8394920, 8973880, 13012126, 16789840, 17947760, 26024252, 32530315, 52048504, 65060630, 104097008, 130121260, 260242520, 520485040]

約数ペア:

[(1, 520485040), (2, 260242520), (4, 130121260), (5, 104097008), (8, 65060630), (10, 52048504), (16, 32530315), (20, 26024252), (29, 17947760), (31, 16789840), (40, 13012126), (58, 8973880), (62, 8394920), (80, 6506063), (116, 4486940), (124, 4197460), (145, 3589552), (155, 3357968), (232, 2243470), (248, 2098730), (290, 1794776), (310, 1678984), (464, 1121735), (496, 1049365), (580, 897388), (620, 839492), (899, 578960), (1160, 448694), (1240, 419746), (1798, 289480), (2320, 224347), (2480, 209873), (3596, 144740), (4495, 115792), (7192, 72370), (7237, 71920), (8990, 57896), (14384, 36185), (14474, 35960), (17980, 28948)]