25555640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^2$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 62988840

約数和(自身を除く): 37433200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 241, 440, 482, 964, 1205, 1928, 2410, 2651, 4820, 5302, 9640, 10604, 13255, 21208, 26510, 53020, 58081, 106040, 116162, 232324, 290405, 464648, 580810, 638891, 1161620, 1277782, 2323240, 2555564, 3194455, 5111128, 6388910, 12777820, 25555640]

約数ペア:

[(1, 25555640), (2, 12777820), (4, 6388910), (5, 5111128), (8, 3194455), (10, 2555564), (11, 2323240), (20, 1277782), (22, 1161620), (40, 638891), (44, 580810), (55, 464648), (88, 290405), (110, 232324), (220, 116162), (241, 106040), (440, 58081), (482, 53020), (964, 26510), (1205, 21208), (1928, 13255), (2410, 10604), (2651, 9640), (4820, 5302)]