51674870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20921}}^1$

素因数の和:20960

約数の個数: 32

約数和(自身を含む): 105446880

約数和(自身を除く): 53772010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20921, 41842, 104605, 209210, 271973, 397499, 543946, 794998, 1359865, 1987495, 2719730, 3974990, 5167487, 10334974, 25837435, 51674870]

約数ペア:

[(1, 51674870), (2, 25837435), (5, 10334974), (10, 5167487), (13, 3974990), (19, 2719730), (26, 1987495), (38, 1359865), (65, 794998), (95, 543946), (130, 397499), (190, 271973), (247, 209210), (494, 104605), (1235, 41842), (2470, 20921)]