4183640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2551}}^1$

素因数の和:2603

約数の個数: 32

約数和(自身を含む): 9646560

約数和(自身を除く): 5462920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 2551, 5102, 10204, 12755, 20408, 25510, 51020, 102040, 104591, 209182, 418364, 522955, 836728, 1045910, 2091820, 4183640]

約数ペア:

[(1, 4183640), (2, 2091820), (4, 1045910), (5, 836728), (8, 522955), (10, 418364), (20, 209182), (40, 104591), (41, 102040), (82, 51020), (164, 25510), (205, 20408), (328, 12755), (410, 10204), (820, 5102), (1640, 2551)]