65688980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{469207}}^1$

素因数の和:469223

約数の個数: 24

約数和(自身を含む): 157653888

約数和(自身を除く): 91964908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 469207, 938414, 1876828, 2346035, 3284449, 4692070, 6568898, 9384140, 13137796, 16422245, 32844490, 65688980]

約数ペア:

[(1, 65688980), (2, 32844490), (4, 16422245), (5, 13137796), (7, 9384140), (10, 6568898), (14, 4692070), (20, 3284449), (28, 2346035), (35, 1876828), (70, 938414), (140, 469207)]