90312520

素因数分解:

$2^3\times 5^1\times {\mathrm{2257813}}^1$

素因数の和:2257824

約数の個数: 16

約数和(自身を含む): 203203260

約数和(自身を除く): 112890740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2257813, 4515626, 9031252, 11289065, 18062504, 22578130, 45156260, 90312520]

約数ペア:

[(1, 90312520), (2, 45156260), (4, 22578130), (5, 18062504), (8, 11289065), (10, 9031252), (20, 4515626), (40, 2257813)]