80978080

素因数分解:

$2^5\times 5^1\times {\mathrm{506113}}^1$

素因数の和:506128

約数の個数: 24

約数和(自身を含む): 191311092

約数和(自身を除く): 110333012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 506113, 1012226, 2024452, 2530565, 4048904, 5061130, 8097808, 10122260, 16195616, 20244520, 40489040, 80978080]

約数ペア:

[(1, 80978080), (2, 40489040), (4, 20244520), (5, 16195616), (8, 10122260), (10, 8097808), (16, 5061130), (20, 4048904), (32, 2530565), (40, 2024452), (80, 1012226), (160, 506113)]