25787450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 52314360

約数和(自身を除く): 26526910

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 194, 325, 409, 485, 650, 818, 970, 1261, 2045, 2425, 2522, 4090, 4850, 5317, 6305, 10225, 10634, 12610, 20450, 26585, 31525, 39673, 53170, 63050, 79346, 132925, 198365, 265850, 396730, 515749, 991825, 1031498, 1983650, 2578745, 5157490, 12893725, 25787450]

約数ペア:

[(1, 25787450), (2, 12893725), (5, 5157490), (10, 2578745), (13, 1983650), (25, 1031498), (26, 991825), (50, 515749), (65, 396730), (97, 265850), (130, 198365), (194, 132925), (325, 79346), (409, 63050), (485, 53170), (650, 39673), (818, 31525), (970, 26585), (1261, 20450), (2045, 12610), (2425, 10634), (2522, 10225), (4090, 6305), (4850, 5317)]