1222660

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 2595096

約数和(自身を除く): 1372436

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 541, 565, 1082, 1130, 2164, 2260, 2705, 5410, 10820, 61133, 122266, 244532, 305665, 611330, 1222660]

約数ペア:

[(1, 1222660), (2, 611330), (4, 305665), (5, 244532), (10, 122266), (20, 61133), (113, 10820), (226, 5410), (452, 2705), (541, 2260), (565, 2164), (1082, 1130)]