64769440

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1277}}^1$

素因数の和:1609

約数の個数: 48

約数和(自身を含む): 153620712

約数和(自身を除く): 88851272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 634, 1268, 1277, 1585, 2536, 2554, 3170, 5072, 5108, 6340, 6385, 10144, 10216, 12680, 12770, 20432, 25360, 25540, 40864, 50720, 51080, 102160, 204320, 404809, 809618, 1619236, 2024045, 3238472, 4048090, 6476944, 8096180, 12953888, 16192360, 32384720, 64769440]

約数ペア:

[(1, 64769440), (2, 32384720), (4, 16192360), (5, 12953888), (8, 8096180), (10, 6476944), (16, 4048090), (20, 3238472), (32, 2024045), (40, 1619236), (80, 809618), (160, 404809), (317, 204320), (634, 102160), (1268, 51080), (1277, 50720), (1585, 40864), (2536, 25540), (2554, 25360), (3170, 20432), (5072, 12770), (5108, 12680), (6340, 10216), (6385, 10144)]