20158650040

素因数分解:

$2^3\times 5^1\times {\mathrm{503966251}}^1$

素因数の和:503966262

約数の個数: 16

約数和(自身を含む): 45356962680

約数和(自身を除く): 25198312640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503966251, 1007932502, 2015865004, 2519831255, 4031730008, 5039662510, 10079325020, 20158650040]

約数ペア:

[(1, 20158650040), (2, 10079325020), (4, 5039662510), (5, 4031730008), (8, 2519831255), (10, 2015865004), (20, 1007932502), (40, 503966251)]