31943860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122861}}^1$

素因数の和:122883

約数の個数: 24

約数和(自身を含む): 72242856

約数和(自身を除く): 40298996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 122861, 245722, 491444, 614305, 1228610, 1597193, 2457220, 3194386, 6388772, 7985965, 15971930, 31943860]

約数ペア:

[(1, 31943860), (2, 15971930), (4, 7985965), (5, 6388772), (10, 3194386), (13, 2457220), (20, 1597193), (26, 1228610), (52, 614305), (65, 491444), (130, 245722), (260, 122861)]