11946280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2957}}^1$

素因数の和:3069

約数の個数: 32

約数和(自身を含む): 27154440

約数和(自身を除く): 15208160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2957, 4040, 5914, 11828, 14785, 23656, 29570, 59140, 118280, 298657, 597314, 1194628, 1493285, 2389256, 2986570, 5973140, 11946280]

約数ペア:

[(1, 11946280), (2, 5973140), (4, 2986570), (5, 2389256), (8, 1493285), (10, 1194628), (20, 597314), (40, 298657), (101, 118280), (202, 59140), (404, 29570), (505, 23656), (808, 14785), (1010, 11828), (2020, 5914), (2957, 4040)]