13612940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 18320500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1439, 1892, 2365, 2878, 4730, 5756, 7195, 9460, 14390, 15829, 28780, 31658, 61877, 63316, 79145, 123754, 158290, 247508, 309385, 316580, 618770, 680647, 1237540, 1361294, 2722588, 3403235, 6806470, 13612940]

約数ペア:

[(1, 13612940), (2, 6806470), (4, 3403235), (5, 2722588), (10, 1361294), (11, 1237540), (20, 680647), (22, 618770), (43, 316580), (44, 309385), (55, 247508), (86, 158290), (110, 123754), (172, 79145), (215, 63316), (220, 61877), (430, 31658), (473, 28780), (860, 15829), (946, 14390), (1439, 9460), (1892, 7195), (2365, 5756), (2878, 4730)]