129332740

素因数分解:

$2^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{3391}}^1$

素因数の和:5307

約数の個数: 24

約数和(自身を含む): 271821312

約数和(自身を除く): 142488572

約数列:

[1, 2, 4, 5, 10, 20, 1907, 3391, 3814, 6782, 7628, 9535, 13564, 16955, 19070, 33910, 38140, 67820, 6466637, 12933274, 25866548, 32333185, 64666370, 129332740]

約数ペア:

[(1, 129332740), (2, 64666370), (4, 32333185), (5, 25866548), (10, 12933274), (20, 6466637), (1907, 67820), (3391, 38140), (3814, 33910), (6782, 19070), (7628, 16955), (9535, 13564)]