51081380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1151}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 123088896

約数和(自身を除く): 72007516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1151, 1268, 1585, 2219, 2302, 3170, 4438, 4604, 5755, 6340, 8057, 8876, 11095, 11510, 16114, 22190, 23020, 32228, 40285, 44380, 80570, 161140, 364867, 729734, 1459468, 1824335, 2554069, 3648670, 5108138, 7297340, 10216276, 12770345, 25540690, 51081380]

約数ペア:

[(1, 51081380), (2, 25540690), (4, 12770345), (5, 10216276), (7, 7297340), (10, 5108138), (14, 3648670), (20, 2554069), (28, 1824335), (35, 1459468), (70, 729734), (140, 364867), (317, 161140), (634, 80570), (1151, 44380), (1268, 40285), (1585, 32228), (2219, 23020), (2302, 22190), (3170, 16114), (4438, 11510), (4604, 11095), (5755, 8876), (6340, 8057)]