25166820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59921}}^1$

素因数の和:59940

約数の個数: 48

約数和(自身を含む): 80535168

約数和(自身を除く): 55368348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 59921, 119842, 179763, 239684, 299605, 359526, 419447, 599210, 719052, 838894, 898815, 1198420, 1258341, 1677788, 1797630, 2097235, 2516682, 3595260, 4194470, 5033364, 6291705, 8388940, 12583410, 25166820]

約数ペア:

[(1, 25166820), (2, 12583410), (3, 8388940), (4, 6291705), (5, 5033364), (6, 4194470), (7, 3595260), (10, 2516682), (12, 2097235), (14, 1797630), (15, 1677788), (20, 1258341), (21, 1198420), (28, 898815), (30, 838894), (35, 719052), (42, 599210), (60, 419447), (70, 359526), (84, 299605), (105, 239684), (140, 179763), (210, 119842), (420, 59921)]