15810980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4139}}^1$

素因数の和:4339

約数の個数: 24

約数和(自身を含む): 33384960

約数和(自身を除く): 17573980

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 4139, 8278, 16556, 20695, 41390, 82780, 790549, 1581098, 3162196, 3952745, 7905490, 15810980]

約数ペア:

[(1, 15810980), (2, 7905490), (4, 3952745), (5, 3162196), (10, 1581098), (20, 790549), (191, 82780), (382, 41390), (764, 20695), (955, 16556), (1910, 8278), (3820, 4139)]