12838480

素因数分解:

$2^4\times 5^1\times {\mathrm{160481}}^1$

素因数の和:160494

約数の個数: 20

約数和(自身を含む): 29849652

約数和(自身を除く): 17011172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 160481, 320962, 641924, 802405, 1283848, 1604810, 2567696, 3209620, 6419240, 12838480]

約数ペア:

[(1, 12838480), (2, 6419240), (4, 3209620), (5, 2567696), (8, 1604810), (10, 1283848), (16, 802405), (20, 641924), (40, 320962), (80, 160481)]