39630980

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8291}}^1$

素因数の和:8539

約数の個数: 24

約数和(自身を含む): 83583360

約数和(自身を除く): 43952380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 8291, 16582, 33164, 41455, 82910, 165820, 1981549, 3963098, 7926196, 9907745, 19815490, 39630980]

約数ペア:

[(1, 39630980), (2, 19815490), (4, 9907745), (5, 7926196), (10, 3963098), (20, 1981549), (239, 165820), (478, 82910), (956, 41455), (1195, 33164), (2390, 16582), (4780, 8291)]