31770920

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{3499}}^1$

素因数の和:3737

約数の個数: 32

約数和(自身を含む): 71820000

約数和(自身を除く): 40049080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 3499, 4540, 6998, 9080, 13996, 17495, 27992, 34990, 69980, 139960, 794273, 1588546, 3177092, 3971365, 6354184, 7942730, 15885460, 31770920]

約数ペア:

[(1, 31770920), (2, 15885460), (4, 7942730), (5, 6354184), (8, 3971365), (10, 3177092), (20, 1588546), (40, 794273), (227, 139960), (454, 69980), (908, 34990), (1135, 27992), (1816, 17495), (2270, 13996), (3499, 9080), (4540, 6998)]