71067880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{10513}}^1$

素因数の和:10550

約数の個数: 48

約数和(自身を含む): 173165580

約数和(自身を除く): 102097700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 10513, 21026, 42052, 52565, 84104, 105130, 136669, 210260, 273338, 420520, 546676, 683345, 1093352, 1366690, 1776697, 2733380, 3553394, 5466760, 7106788, 8883485, 14213576, 17766970, 35533940, 71067880]

約数ペア:

[(1, 71067880), (2, 35533940), (4, 17766970), (5, 14213576), (8, 8883485), (10, 7106788), (13, 5466760), (20, 3553394), (26, 2733380), (40, 1776697), (52, 1366690), (65, 1093352), (104, 683345), (130, 546676), (169, 420520), (260, 273338), (338, 210260), (520, 136669), (676, 105130), (845, 84104), (1352, 52565), (1690, 42052), (3380, 21026), (6760, 10513)]