80518040

素因数分解:

$2^3\times 5^1\times {\mathrm{2012951}}^1$

素因数の和:2012962

約数の個数: 16

約数和(自身を含む): 181165680

約数和(自身を除く): 100647640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2012951, 4025902, 8051804, 10064755, 16103608, 20129510, 40259020, 80518040]

約数ペア:

[(1, 80518040), (2, 40259020), (4, 20129510), (5, 16103608), (8, 10064755), (10, 8051804), (20, 4025902), (40, 2012951)]