13139260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 29514240

約数和(自身を除く): 16374980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 487, 710, 974, 1349, 1420, 1948, 2435, 2698, 4870, 5396, 6745, 9253, 9740, 13490, 18506, 26980, 34577, 37012, 46265, 69154, 92530, 138308, 172885, 185060, 345770, 656963, 691540, 1313926, 2627852, 3284815, 6569630, 13139260]

約数ペア:

[(1, 13139260), (2, 6569630), (4, 3284815), (5, 2627852), (10, 1313926), (19, 691540), (20, 656963), (38, 345770), (71, 185060), (76, 172885), (95, 138308), (142, 92530), (190, 69154), (284, 46265), (355, 37012), (380, 34577), (487, 26980), (710, 18506), (974, 13490), (1349, 9740), (1420, 9253), (1948, 6745), (2435, 5396), (2698, 4870)]