254720560

素因数分解:

$2^4\times 5^1\times {\mathrm{3184007}}^1$

素因数の和:3184020

約数の個数: 20

約数和(自身を含む): 592225488

約数和(自身を除く): 337504928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3184007, 6368014, 12736028, 15920035, 25472056, 31840070, 50944112, 63680140, 127360280, 254720560]

約数ペア:

[(1, 254720560), (2, 127360280), (4, 63680140), (5, 50944112), (8, 31840070), (10, 25472056), (16, 15920035), (20, 12736028), (40, 6368014), (80, 3184007)]