320170160

素因数分解:

$2^4\times 5^1\times {\mathrm{4002127}}^1$

素因数の和:4002140

約数の個数: 20

約数和(自身を含む): 744395808

約数和(自身を除く): 424225648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4002127, 8004254, 16008508, 20010635, 32017016, 40021270, 64034032, 80042540, 160085080, 320170160]

約数ペア:

[(1, 320170160), (2, 160085080), (4, 80042540), (5, 64034032), (8, 40021270), (10, 32017016), (16, 20010635), (20, 16008508), (40, 8004254), (80, 4002127)]