13113260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 15463540

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 139, 178, 212, 265, 278, 356, 445, 530, 556, 695, 890, 1060, 1390, 1780, 2780, 4717, 7367, 9434, 12371, 14734, 18868, 23585, 24742, 29468, 36835, 47170, 49484, 61855, 73670, 94340, 123710, 147340, 247420, 655663, 1311326, 2622652, 3278315, 6556630, 13113260]

約数ペア:

[(1, 13113260), (2, 6556630), (4, 3278315), (5, 2622652), (10, 1311326), (20, 655663), (53, 247420), (89, 147340), (106, 123710), (139, 94340), (178, 73670), (212, 61855), (265, 49484), (278, 47170), (356, 36835), (445, 29468), (530, 24742), (556, 23585), (695, 18868), (890, 14734), (1060, 12371), (1390, 9434), (1780, 7367), (2780, 4717)]