1918480

素因数分解:

$2^4\times 5^1\times {\mathrm{23981}}^1$

素因数の和:23994

約数の個数: 20

約数和(自身を含む): 4460652

約数和(自身を除く): 2542172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23981, 47962, 95924, 119905, 191848, 239810, 383696, 479620, 959240, 1918480]

約数ペア:

[(1, 1918480), (2, 959240), (4, 479620), (5, 383696), (8, 239810), (10, 191848), (16, 119905), (20, 95924), (40, 47962), (80, 23981)]