90625280

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 219537864

約数和(自身を除く): 128912584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 640, 701, 808, 1010, 1280, 1402, 1616, 2020, 2804, 3232, 3505, 4040, 5608, 6464, 7010, 8080, 11216, 12928, 14020, 16160, 22432, 25856, 28040, 32320, 44864, 56080, 64640, 70801, 89728, 112160, 129280, 141602, 179456, 224320, 283204, 354005, 448640, 566408, 708010, 897280, 1132816, 1416020, 2265632, 2832040, 4531264, 5664080, 9062528, 11328160, 18125056, 22656320, 45312640, 90625280]

約数ペア:

[(1, 90625280), (2, 45312640), (4, 22656320), (5, 18125056), (8, 11328160), (10, 9062528), (16, 5664080), (20, 4531264), (32, 2832040), (40, 2265632), (64, 1416020), (80, 1132816), (101, 897280), (128, 708010), (160, 566408), (202, 448640), (256, 354005), (320, 283204), (404, 224320), (505, 179456), (640, 141602), (701, 129280), (808, 112160), (1010, 89728), (1280, 70801), (1402, 64640), (1616, 56080), (2020, 44864), (2804, 32320), (3232, 28040), (3505, 25856), (4040, 22432), (5608, 16160), (6464, 14020), (7010, 12928), (8080, 11216)]