620740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 1337112

約数和(自身を除く): 716372

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 757, 820, 1514, 3028, 3785, 7570, 15140, 31037, 62074, 124148, 155185, 310370, 620740]

約数ペア:

[(1, 620740), (2, 310370), (4, 155185), (5, 124148), (10, 62074), (20, 31037), (41, 15140), (82, 7570), (164, 3785), (205, 3028), (410, 1514), (757, 820)]