262929740

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{32143}}^1$

素因数の和:32561

約数の個数: 24

約数和(自身を含む): 553519680

約数和(自身を除く): 290589940

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 32143, 64286, 128572, 160715, 321430, 642860, 13146487, 26292974, 52585948, 65732435, 131464870, 262929740]

約数ペア:

[(1, 262929740), (2, 131464870), (4, 65732435), (5, 52585948), (10, 26292974), (20, 13146487), (409, 642860), (818, 321430), (1636, 160715), (2045, 128572), (4090, 64286), (8180, 32143)]