25714840

素因数分解:

$2^3\times 5^1\times {\mathrm{642871}}^1$

素因数の和:642882

約数の個数: 16

約数和(自身を含む): 57858480

約数和(自身を除く): 32143640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 642871, 1285742, 2571484, 3214355, 5142968, 6428710, 12857420, 25714840]

約数ペア:

[(1, 25714840), (2, 12857420), (4, 6428710), (5, 5142968), (8, 3214355), (10, 2571484), (20, 1285742), (40, 642871)]