15916940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2111}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 21338740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 2111, 3770, 4222, 7540, 8444, 10555, 21110, 27443, 42220, 54886, 61219, 109772, 122438, 137215, 244876, 274430, 306095, 548860, 612190, 795847, 1224380, 1591694, 3183388, 3979235, 7958470, 15916940]

約数ペア:

[(1, 15916940), (2, 7958470), (4, 3979235), (5, 3183388), (10, 1591694), (13, 1224380), (20, 795847), (26, 612190), (29, 548860), (52, 306095), (58, 274430), (65, 244876), (116, 137215), (130, 122438), (145, 109772), (260, 61219), (290, 54886), (377, 42220), (580, 27443), (754, 21110), (1508, 10555), (1885, 8444), (2111, 7540), (3770, 4222)]