90409780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{196543}}^1$

素因数の和:196575

約数の個数: 24

約数和(自身を含む): 198116352

約数和(自身を除く): 107706572

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 196543, 393086, 786172, 982715, 1965430, 3930860, 4520489, 9040978, 18081956, 22602445, 45204890, 90409780]

約数ペア:

[(1, 90409780), (2, 45204890), (4, 22602445), (5, 18081956), (10, 9040978), (20, 4520489), (23, 3930860), (46, 1965430), (92, 982715), (115, 786172), (230, 393086), (460, 196543)]