90158840

素因数分解:

$2^3\times 5^1\times {\mathrm{2253971}}^1$

素因数の和:2253982

約数の個数: 16

約数和(自身を含む): 202857480

約数和(自身を除く): 112698640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2253971, 4507942, 9015884, 11269855, 18031768, 22539710, 45079420, 90158840]

約数ペア:

[(1, 90158840), (2, 45079420), (4, 22539710), (5, 18031768), (8, 11269855), (10, 9015884), (20, 4507942), (40, 2253971)]