2220486580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8540333}}^1$

素因数の和:8540355

約数の個数: 24

約数和(自身を含む): 5021716392

約数和(自身を除く): 2801229812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8540333, 17080666, 34161332, 42701665, 85403330, 111024329, 170806660, 222048658, 444097316, 555121645, 1110243290, 2220486580]

約数ペア:

[(1, 2220486580), (2, 1110243290), (4, 555121645), (5, 444097316), (10, 222048658), (13, 170806660), (20, 111024329), (26, 85403330), (52, 42701665), (65, 34161332), (130, 17080666), (260, 8540333)]