64503654020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3889}}^1\times {\mathrm{63793}}^1$

素因数の和:67704

約数の個数: 48

約数和(自身を含む): 145917292080

約数和(自身を除く): 81413638060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3889, 7778, 15556, 19445, 38890, 50557, 63793, 77780, 101114, 127586, 202228, 252785, 255172, 318965, 505570, 637930, 829309, 1011140, 1275860, 1658618, 3317236, 4146545, 8293090, 16586180, 248090977, 496181954, 992363908, 1240454885, 2480909770, 3225182701, 4961819540, 6450365402, 12900730804, 16125913505, 32251827010, 64503654020]

約数ペア:

[(1, 64503654020), (2, 32251827010), (4, 16125913505), (5, 12900730804), (10, 6450365402), (13, 4961819540), (20, 3225182701), (26, 2480909770), (52, 1240454885), (65, 992363908), (130, 496181954), (260, 248090977), (3889, 16586180), (7778, 8293090), (15556, 4146545), (19445, 3317236), (38890, 1658618), (50557, 1275860), (63793, 1011140), (77780, 829309), (101114, 637930), (127586, 505570), (202228, 318965), (252785, 255172)]