5120560

素因数分解:

$2^4\times 5^1\times {\mathrm{64007}}^1$

素因数の和:64020

約数の個数: 20

約数和(自身を含む): 11905488

約数和(自身を除く): 6784928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64007, 128014, 256028, 320035, 512056, 640070, 1024112, 1280140, 2560280, 5120560]

約数ペア:

[(1, 5120560), (2, 2560280), (4, 1280140), (5, 1024112), (8, 640070), (10, 512056), (16, 320035), (20, 256028), (40, 128014), (80, 64007)]