3287980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2081}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 6995520

約数和(自身を除く): 3707540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2081, 4162, 8324, 10405, 20810, 41620, 164399, 328798, 657596, 821995, 1643990, 3287980]

約数ペア:

[(1, 3287980), (2, 1643990), (4, 821995), (5, 657596), (10, 328798), (20, 164399), (79, 41620), (158, 20810), (316, 10405), (395, 8324), (790, 4162), (1580, 2081)]