2185956820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2665801}}^1$

素因数の和:2665851

約数の個数: 24

約数和(自身を含む): 4702474728

約数和(自身を除く): 2516517908

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2665801, 5331602, 10663204, 13329005, 26658010, 53316020, 109297841, 218595682, 437191364, 546489205, 1092978410, 2185956820]

約数ペア:

[(1, 2185956820), (2, 1092978410), (4, 546489205), (5, 437191364), (10, 218595682), (20, 109297841), (41, 53316020), (82, 26658010), (164, 13329005), (205, 10663204), (410, 5331602), (820, 2665801)]