90418360

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{9871}}^1$

素因数の和:10111

約数の個数: 32

約数和(自身を含む): 204350400

約数和(自身を除く): 113932040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 9871, 19742, 39484, 49355, 78968, 98710, 197420, 394840, 2260459, 4520918, 9041836, 11302295, 18083672, 22604590, 45209180, 90418360]

約数ペア:

[(1, 90418360), (2, 45209180), (4, 22604590), (5, 18083672), (8, 11302295), (10, 9041836), (20, 4520918), (40, 2260459), (229, 394840), (458, 197420), (916, 98710), (1145, 78968), (1832, 49355), (2290, 39484), (4580, 19742), (9160, 9871)]