90101780

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{4583}}^1$

素因数の和:5575

約数の個数: 24

約数和(自身を含む): 189447552

約数和(自身を除く): 99345772

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3932, 4583, 4915, 9166, 9830, 18332, 19660, 22915, 45830, 91660, 4505089, 9010178, 18020356, 22525445, 45050890, 90101780]

約数ペア:

[(1, 90101780), (2, 45050890), (4, 22525445), (5, 18020356), (10, 9010178), (20, 4505089), (983, 91660), (1966, 45830), (3932, 22915), (4583, 19660), (4915, 18332), (9166, 9830)]