56387890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14957}}^1$

素因数の和:15006

約数の個数: 32

約数和(自身を含む): 113082480

約数和(自身を除く): 56694590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 14957, 29914, 74785, 149570, 194441, 388882, 433753, 867506, 972205, 1944410, 2168765, 4337530, 5638789, 11277578, 28193945, 56387890]

約数ペア:

[(1, 56387890), (2, 28193945), (5, 11277578), (10, 5638789), (13, 4337530), (26, 2168765), (29, 1944410), (58, 972205), (65, 867506), (130, 433753), (145, 388882), (290, 194441), (377, 149570), (754, 74785), (1885, 29914), (3770, 14957)]