137753680

素因数分解:

$2^4\times 5^1\times {\mathrm{1721921}}^1$

素因数の和:1721934

約数の個数: 20

約数和(自身を含む): 320277492

約数和(自身を除く): 182523812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1721921, 3443842, 6887684, 8609605, 13775368, 17219210, 27550736, 34438420, 68876840, 137753680]

約数ペア:

[(1, 137753680), (2, 68876840), (4, 34438420), (5, 27550736), (8, 17219210), (10, 13775368), (16, 8609605), (20, 6887684), (40, 3443842), (80, 1721921)]