15790480

素因数分解:

$2^4\times 5^1\times {\mathrm{197381}}^1$

素因数の和:197394

約数の個数: 20

約数和(自身を含む): 36713052

約数和(自身を除く): 20922572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197381, 394762, 789524, 986905, 1579048, 1973810, 3158096, 3947620, 7895240, 15790480]

約数ペア:

[(1, 15790480), (2, 7895240), (4, 3947620), (5, 3158096), (8, 1973810), (10, 1579048), (16, 986905), (20, 789524), (40, 394762), (80, 197381)]