156919240

素因数分解:

$2^3\times 5^1\times {\mathrm{3922981}}^1$

素因数の和:3922992

約数の個数: 16

約数和(自身を含む): 353068380

約数和(自身を除く): 196149140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3922981, 7845962, 15691924, 19614905, 31383848, 39229810, 78459620, 156919240]

約数ペア:

[(1, 156919240), (2, 78459620), (4, 39229810), (5, 31383848), (8, 19614905), (10, 15691924), (20, 7845962), (40, 3922981)]