40374860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28433}}^1$

素因数の和:28513

約数の個数: 24

約数和(自身を含む): 85984416

約数和(自身を除く): 45609556

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28433, 56866, 113732, 142165, 284330, 568660, 2018743, 4037486, 8074972, 10093715, 20187430, 40374860]

約数ペア:

[(1, 40374860), (2, 20187430), (4, 10093715), (5, 8074972), (10, 4037486), (20, 2018743), (71, 568660), (142, 284330), (284, 142165), (355, 113732), (710, 56866), (1420, 28433)]