1235120

素因数分解:

$2^4\times 5^1\times {\mathrm{15439}}^1$

素因数の和:15452

約数の個数: 20

約数和(自身を含む): 2871840

約数和(自身を除く): 1636720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15439, 30878, 61756, 77195, 123512, 154390, 247024, 308780, 617560, 1235120]

約数ペア:

[(1, 1235120), (2, 617560), (4, 308780), (5, 247024), (8, 154390), (10, 123512), (16, 77195), (20, 61756), (40, 30878), (80, 15439)]