40407406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{2417}}^1$

素因数の和:3075

約数の個数: 16

約数和(自身を含む): 65402064

約数和(自身を除く): 24994658

約数列:

[1, 2, 13, 26, 643, 1286, 2417, 4834, 8359, 16718, 31421, 62842, 1554131, 3108262, 20203703, 40407406]

約数ペア:

[(1, 40407406), (2, 20203703), (13, 3108262), (26, 1554131), (643, 62842), (1286, 31421), (2417, 16718), (4834, 8359)]