90048880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26177}}^1$

素因数の和:26233

約数の個数: 40

約数和(自身を含む): 214240752

約数和(自身を除く): 124191872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 26177, 52354, 104708, 130885, 209416, 261770, 418832, 523540, 1047080, 1125611, 2094160, 2251222, 4502444, 5628055, 9004888, 11256110, 18009776, 22512220, 45024440, 90048880]

約数ペア:

[(1, 90048880), (2, 45024440), (4, 22512220), (5, 18009776), (8, 11256110), (10, 9004888), (16, 5628055), (20, 4502444), (40, 2251222), (43, 2094160), (80, 1125611), (86, 1047080), (172, 523540), (215, 418832), (344, 261770), (430, 209416), (688, 130885), (860, 104708), (1720, 52354), (3440, 26177)]