40128080

素因数分解:

$2^4\times 5^1\times {\mathrm{501601}}^1$

素因数の和:501614

約数の個数: 20

約数和(自身を含む): 93297972

約数和(自身を除く): 53169892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501601, 1003202, 2006404, 2508005, 4012808, 5016010, 8025616, 10032020, 20064040, 40128080]

約数ペア:

[(1, 40128080), (2, 20064040), (4, 10032020), (5, 8025616), (8, 5016010), (10, 4012808), (16, 2508005), (20, 2006404), (40, 1003202), (80, 501601)]