42017620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51241}}^1$

素因数の和:51291

約数の個数: 24

約数和(自身を含む): 90390888

約数和(自身を除く): 48373268

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 51241, 102482, 204964, 256205, 512410, 1024820, 2100881, 4201762, 8403524, 10504405, 21008810, 42017620]

約数ペア:

[(1, 42017620), (2, 21008810), (4, 10504405), (5, 8403524), (10, 4201762), (20, 2100881), (41, 1024820), (82, 512410), (164, 256205), (205, 204964), (410, 102482), (820, 51241)]