26620040

素因数分解:

$2^3\times 5^1\times {\mathrm{665501}}^1$

素因数の和:665512

約数の個数: 16

約数和(自身を含む): 59895180

約数和(自身を除く): 33275140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 665501, 1331002, 2662004, 3327505, 5324008, 6655010, 13310020, 26620040]

約数ペア:

[(1, 26620040), (2, 13310020), (4, 6655010), (5, 5324008), (8, 3327505), (10, 2662004), (20, 1331002), (40, 665501)]