628420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2417}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 1421784

約数和(自身を除く): 793364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2417, 4834, 9668, 12085, 24170, 31421, 48340, 62842, 125684, 157105, 314210, 628420]

約数ペア:

[(1, 628420), (2, 314210), (4, 157105), (5, 125684), (10, 62842), (13, 48340), (20, 31421), (26, 24170), (52, 12085), (65, 9668), (130, 4834), (260, 2417)]