81202040

素因数分解:

$2^3\times 5^1\times {\mathrm{2030051}}^1$

素因数の和:2030062

約数の個数: 16

約数和(自身を含む): 182704680

約数和(自身を除く): 101502640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2030051, 4060102, 8120204, 10150255, 16240408, 20300510, 40601020, 81202040]

約数ペア:

[(1, 81202040), (2, 40601020), (4, 20300510), (5, 16240408), (8, 10150255), (10, 8120204), (20, 4060102), (40, 2030051)]