8428550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12967}}^1$

素因数の和:12992

約数の個数: 24

約数和(自身を含む): 16884336

約数和(自身を除く): 8455786

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 12967, 25934, 64835, 129670, 168571, 324175, 337142, 648350, 842855, 1685710, 4214275, 8428550]

約数ペア:

[(1, 8428550), (2, 4214275), (5, 1685710), (10, 842855), (13, 648350), (25, 337142), (26, 324175), (50, 168571), (65, 129670), (130, 64835), (325, 25934), (650, 12967)]