12672640

素因数分解:

$2^7\times 5^1\times {\mathrm{19801}}^1$

素因数の和:19820

約数の個数: 32

約数和(自身を含む): 30297060

約数和(自身を除く): 17624420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19801, 39602, 79204, 99005, 158408, 198010, 316816, 396020, 633632, 792040, 1267264, 1584080, 2534528, 3168160, 6336320, 12672640]

約数ペア:

[(1, 12672640), (2, 6336320), (4, 3168160), (5, 2534528), (8, 1584080), (10, 1267264), (16, 792040), (20, 633632), (32, 396020), (40, 316816), (64, 198010), (80, 158408), (128, 99005), (160, 79204), (320, 39602), (640, 19801)]