65304040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{9437}}^1$

素因数の和:9621

約数の個数: 32

約数和(自身を含む): 147799080

約数和(自身を除く): 82495040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 9437, 18874, 37748, 47185, 75496, 94370, 188740, 377480, 1632601, 3265202, 6530404, 8163005, 13060808, 16326010, 32652020, 65304040]

約数ペア:

[(1, 65304040), (2, 32652020), (4, 16326010), (5, 13060808), (8, 8163005), (10, 6530404), (20, 3265202), (40, 1632601), (173, 377480), (346, 188740), (692, 94370), (865, 75496), (1384, 47185), (1730, 37748), (3460, 18874), (6920, 9437)]