99381440

素因数分解:

$2^6\times 5^1\times {\mathrm{310567}}^1$

素因数の和:310584

約数の個数: 28

約数和(自身を含む): 236652816

約数和(自身を除く): 137271376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 310567, 621134, 1242268, 1552835, 2484536, 3105670, 4969072, 6211340, 9938144, 12422680, 19876288, 24845360, 49690720, 99381440]

約数ペア:

[(1, 99381440), (2, 49690720), (4, 24845360), (5, 19876288), (8, 12422680), (10, 9938144), (16, 6211340), (20, 4969072), (32, 3105670), (40, 2484536), (64, 1552835), (80, 1242268), (160, 621134), (320, 310567)]