28645630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220351}}^1$

素因数の和:220371

約数の個数: 16

約数和(自身を含む): 55528704

約数和(自身を除く): 26883074

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220351, 440702, 1101755, 2203510, 2864563, 5729126, 14322815, 28645630]

約数ペア:

[(1, 28645630), (2, 14322815), (5, 5729126), (10, 2864563), (13, 2203510), (26, 1101755), (65, 440702), (130, 220351)]