19951700

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1571}}^1$

素因数の和:1712

約数の個数: 36

約数和(自身を含む): 43663872

約数和(自身を除く): 23712172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 254, 508, 635, 1270, 1571, 2540, 3142, 3175, 6284, 6350, 7855, 12700, 15710, 31420, 39275, 78550, 157100, 199517, 399034, 798068, 997585, 1995170, 3990340, 4987925, 9975850, 19951700]

約数ペア:

[(1, 19951700), (2, 9975850), (4, 4987925), (5, 3990340), (10, 1995170), (20, 997585), (25, 798068), (50, 399034), (100, 199517), (127, 157100), (254, 78550), (508, 39275), (635, 31420), (1270, 15710), (1571, 12700), (2540, 7855), (3142, 6350), (3175, 6284)]