9781360

素因数分解:

$2^4\times 5^1\times {\mathrm{122267}}^1$

素因数の和:122280

約数の個数: 20

約数和(自身を含む): 22741848

約数和(自身を除く): 12960488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122267, 244534, 489068, 611335, 978136, 1222670, 1956272, 2445340, 4890680, 9781360]

約数ペア:

[(1, 9781360), (2, 4890680), (4, 2445340), (5, 1956272), (8, 1222670), (10, 978136), (16, 611335), (20, 489068), (40, 244534), (80, 122267)]