11372780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8009}}^1$

素因数の和:8089

約数の個数: 24

約数和(自身を含む): 24222240

約数和(自身を除く): 12849460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8009, 16018, 32036, 40045, 80090, 160180, 568639, 1137278, 2274556, 2843195, 5686390, 11372780]

約数ペア:

[(1, 11372780), (2, 5686390), (4, 2843195), (5, 2274556), (10, 1137278), (20, 568639), (71, 160180), (142, 80090), (284, 40045), (355, 32036), (710, 16018), (1420, 8009)]