40560920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6221}}^1$

素因数の和:6395

約数の個数: 32

約数和(自身を含む): 91836720

約数和(自身を除く): 51275800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6221, 6520, 12442, 24884, 31105, 49768, 62210, 124420, 248840, 1014023, 2028046, 4056092, 5070115, 8112184, 10140230, 20280460, 40560920]

約数ペア:

[(1, 40560920), (2, 20280460), (4, 10140230), (5, 8112184), (8, 5070115), (10, 4056092), (20, 2028046), (40, 1014023), (163, 248840), (326, 124420), (652, 62210), (815, 49768), (1304, 31105), (1630, 24884), (3260, 12442), (6221, 6520)]