520019240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1000037}}^1$

素因数の和:1000061

約数の個数: 32

約数和(自身を含む): 1260047880

約数和(自身を除く): 740028640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1000037, 2000074, 4000148, 5000185, 8000296, 10000370, 13000481, 20000740, 26000962, 40001480, 52001924, 65002405, 104003848, 130004810, 260009620, 520019240]

約数ペア:

[(1, 520019240), (2, 260009620), (4, 130004810), (5, 104003848), (8, 65002405), (10, 52001924), (13, 40001480), (20, 26000962), (26, 20000740), (40, 13000481), (52, 10000370), (65, 8000296), (104, 5000185), (130, 4000148), (260, 2000074), (520, 1000037)]