1380142240

素因数分解:

$2^5\times 5^1\times {\mathrm{8625889}}^1$

素因数の和:8625904

約数の個数: 24

約数和(自身を含む): 3260586420

約数和(自身を除く): 1880444180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 8625889, 17251778, 34503556, 43129445, 69007112, 86258890, 138014224, 172517780, 276028448, 345035560, 690071120, 1380142240]

約数ペア:

[(1, 1380142240), (2, 690071120), (4, 345035560), (5, 276028448), (8, 172517780), (10, 138014224), (16, 86258890), (20, 69007112), (32, 43129445), (40, 34503556), (80, 17251778), (160, 8625889)]