39979660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285569}}^1$

素因数の和:285585

約数の個数: 24

約数和(自身を含む): 95951520

約数和(自身を除く): 55971860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285569, 571138, 1142276, 1427845, 1998983, 2855690, 3997966, 5711380, 7995932, 9994915, 19989830, 39979660]

約数ペア:

[(1, 39979660), (2, 19989830), (4, 9994915), (5, 7995932), (7, 5711380), (10, 3997966), (14, 2855690), (20, 1998983), (28, 1427845), (35, 1142276), (70, 571138), (140, 285569)]