140656840

素因数分解:

$2^3\times 5^1\times {\mathrm{3516421}}^1$

素因数の和:3516432

約数の個数: 16

約数和(自身を含む): 316477980

約数和(自身を除く): 175821140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3516421, 7032842, 14065684, 17582105, 28131368, 35164210, 70328420, 140656840]

約数ペア:

[(1, 140656840), (2, 70328420), (4, 35164210), (5, 28131368), (8, 17582105), (10, 14065684), (20, 7032842), (40, 3516421)]