9979160

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 22552560

約数和(自身を除く): 12573400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 787, 1268, 1574, 1585, 2536, 3148, 3170, 3935, 6296, 6340, 7870, 12680, 15740, 31480, 249479, 498958, 997916, 1247395, 1995832, 2494790, 4989580, 9979160]

約数ペア:

[(1, 9979160), (2, 4989580), (4, 2494790), (5, 1995832), (8, 1247395), (10, 997916), (20, 498958), (40, 249479), (317, 31480), (634, 15740), (787, 12680), (1268, 7870), (1574, 6340), (1585, 6296), (2536, 3935), (3148, 3170)]