8240560

素因数分解:

$2^4\times 5^1\times {\mathrm{103007}}^1$

素因数の和:103020

約数の個数: 20

約数和(自身を含む): 19159488

約数和(自身を除く): 10918928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103007, 206014, 412028, 515035, 824056, 1030070, 1648112, 2060140, 4120280, 8240560]

約数ペア:

[(1, 8240560), (2, 4120280), (4, 2060140), (5, 1648112), (8, 1030070), (10, 824056), (16, 515035), (20, 412028), (40, 206014), (80, 103007)]