31152920

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5227}}^1$

素因数の和:5387

約数の個数: 32

約数和(自身を含む): 70578000

約数和(自身を除く): 39425080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5227, 5960, 10454, 20908, 26135, 41816, 52270, 104540, 209080, 778823, 1557646, 3115292, 3894115, 6230584, 7788230, 15576460, 31152920]

約数ペア:

[(1, 31152920), (2, 15576460), (4, 7788230), (5, 6230584), (8, 3894115), (10, 3115292), (20, 1557646), (40, 778823), (149, 209080), (298, 104540), (596, 52270), (745, 41816), (1192, 26135), (1490, 20908), (2980, 10454), (5227, 5960)]