422685640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{812857}}^1$

素因数の和:812881

約数の個数: 32

約数和(自身を含む): 1024201080

約数和(自身を除く): 601515440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 812857, 1625714, 3251428, 4064285, 6502856, 8128570, 10567141, 16257140, 21134282, 32514280, 42268564, 52835705, 84537128, 105671410, 211342820, 422685640]

約数ペア:

[(1, 422685640), (2, 211342820), (4, 105671410), (5, 84537128), (8, 52835705), (10, 42268564), (13, 32514280), (20, 21134282), (26, 16257140), (40, 10567141), (52, 8128570), (65, 6502856), (104, 4064285), (130, 3251428), (260, 1625714), (520, 812857)]