80269660

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{21013}}^1$

素因数の和:21213

約数の個数: 24

約数和(自身を含む): 169456896

約数和(自身を除く): 89187236

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 21013, 42026, 84052, 105065, 210130, 420260, 4013483, 8026966, 16053932, 20067415, 40134830, 80269660]

約数ペア:

[(1, 80269660), (2, 40134830), (4, 20067415), (5, 16053932), (10, 8026966), (20, 4013483), (191, 420260), (382, 210130), (764, 105065), (955, 84052), (1910, 42026), (3820, 21013)]