90039070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{997}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 177196896

約数和(自身を除く): 87157826

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 821, 997, 1642, 1994, 4105, 4985, 8210, 9031, 9970, 10967, 18062, 21934, 45155, 54835, 90310, 109670, 818537, 1637074, 4092685, 8185370, 9003907, 18007814, 45019535, 90039070]

約数ペア:

[(1, 90039070), (2, 45019535), (5, 18007814), (10, 9003907), (11, 8185370), (22, 4092685), (55, 1637074), (110, 818537), (821, 109670), (997, 90310), (1642, 54835), (1994, 45155), (4105, 21934), (4985, 18062), (8210, 10967), (9031, 9970)]