1584080

素因数分解:

$2^4\times 5^1\times {\mathrm{19801}}^1$

素因数の和:19814

約数の個数: 20

約数和(自身を含む): 3683172

約数和(自身を除く): 2099092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19801, 39602, 79204, 99005, 158408, 198010, 316816, 396020, 792040, 1584080]

約数ペア:

[(1, 1584080), (2, 792040), (4, 396020), (5, 316816), (8, 198010), (10, 158408), (16, 99005), (20, 79204), (40, 39602), (80, 19801)]