1297360

素因数分解:

$2^4\times 5^1\times {\mathrm{16217}}^1$

素因数の和:16230

約数の個数: 20

約数和(自身を含む): 3016548

約数和(自身を除く): 1719188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16217, 32434, 64868, 81085, 129736, 162170, 259472, 324340, 648680, 1297360]

約数ペア:

[(1, 1297360), (2, 648680), (4, 324340), (5, 259472), (8, 162170), (10, 129736), (16, 81085), (20, 64868), (40, 32434), (80, 16217)]