51574900

素因数分解:

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

素因数の和:533

約数の個数: 72

約数和(自身を含む): 122066840

約数和(自身を除く): 70491940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 260, 325, 388, 409, 485, 650, 818, 970, 1261, 1300, 1636, 1940, 2045, 2425, 2522, 4090, 4850, 5044, 5317, 6305, 8180, 9700, 10225, 10634, 12610, 20450, 21268, 25220, 26585, 31525, 39673, 40900, 53170, 63050, 79346, 106340, 126100, 132925, 158692, 198365, 265850, 396730, 515749, 531700, 793460, 991825, 1031498, 1983650, 2062996, 2578745, 3967300, 5157490, 10314980, 12893725, 25787450, 51574900]

約数ペア:

[(1, 51574900), (2, 25787450), (4, 12893725), (5, 10314980), (10, 5157490), (13, 3967300), (20, 2578745), (25, 2062996), (26, 1983650), (50, 1031498), (52, 991825), (65, 793460), (97, 531700), (100, 515749), (130, 396730), (194, 265850), (260, 198365), (325, 158692), (388, 132925), (409, 126100), (485, 106340), (650, 79346), (818, 63050), (970, 53170), (1261, 40900), (1300, 39673), (1636, 31525), (1940, 26585), (2045, 25220), (2425, 21268), (2522, 20450), (4090, 12610), (4850, 10634), (5044, 10225), (5317, 9700), (6305, 8180)]