13893140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6373}}^1$

素因数の和:6491

約数の個数: 24

約数和(自身を含む): 29447880

約数和(自身を除く): 15554740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 6373, 12746, 25492, 31865, 63730, 127460, 694657, 1389314, 2778628, 3473285, 6946570, 13893140]

約数ペア:

[(1, 13893140), (2, 6946570), (4, 3473285), (5, 2778628), (10, 1389314), (20, 694657), (109, 127460), (218, 63730), (436, 31865), (545, 25492), (1090, 12746), (2180, 6373)]