40005780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1459}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 112338240

約数和(自身を除く): 72332460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 457, 914, 1371, 1459, 1828, 2285, 2742, 2918, 4377, 4570, 5484, 5836, 6855, 7295, 8754, 9140, 13710, 14590, 17508, 21885, 27420, 29180, 43770, 87540, 666763, 1333526, 2000289, 2667052, 3333815, 4000578, 6667630, 8001156, 10001445, 13335260, 20002890, 40005780]

約数ペア:

[(1, 40005780), (2, 20002890), (3, 13335260), (4, 10001445), (5, 8001156), (6, 6667630), (10, 4000578), (12, 3333815), (15, 2667052), (20, 2000289), (30, 1333526), (60, 666763), (457, 87540), (914, 43770), (1371, 29180), (1459, 27420), (1828, 21885), (2285, 17508), (2742, 14590), (2918, 13710), (4377, 9140), (4570, 8754), (5484, 7295), (5836, 6855)]