31631920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5569}}^1$

素因数の和:5653

約数の個数: 40

約数和(自身を含む): 74593440

約数和(自身を除く): 42961520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5569, 5680, 11138, 22276, 27845, 44552, 55690, 89104, 111380, 222760, 395399, 445520, 790798, 1581596, 1976995, 3163192, 3953990, 6326384, 7907980, 15815960, 31631920]

約数ペア:

[(1, 31631920), (2, 15815960), (4, 7907980), (5, 6326384), (8, 3953990), (10, 3163192), (16, 1976995), (20, 1581596), (40, 790798), (71, 445520), (80, 395399), (142, 222760), (284, 111380), (355, 89104), (568, 55690), (710, 44552), (1136, 27845), (1420, 22276), (2840, 11138), (5569, 5680)]