426620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 910224

約数和(自身を除く): 483604

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 257, 332, 415, 514, 830, 1028, 1285, 1660, 2570, 5140, 21331, 42662, 85324, 106655, 213310, 426620]

約数ペア:

[(1, 426620), (2, 213310), (4, 106655), (5, 85324), (10, 42662), (20, 21331), (83, 5140), (166, 2570), (257, 1660), (332, 1285), (415, 1028), (514, 830)]