25858300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19891}}^1$

素因数の和:19918

約数の個数: 36

約数和(自身を含む): 60431896

約数和(自身を除く): 34573596

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 19891, 39782, 79564, 99455, 198910, 258583, 397820, 497275, 517166, 994550, 1034332, 1292915, 1989100, 2585830, 5171660, 6464575, 12929150, 25858300]

約数ペア:

[(1, 25858300), (2, 12929150), (4, 6464575), (5, 5171660), (10, 2585830), (13, 1989100), (20, 1292915), (25, 1034332), (26, 994550), (50, 517166), (52, 497275), (65, 397820), (100, 258583), (130, 198910), (260, 99455), (325, 79564), (650, 39782), (1300, 19891)]