64205540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{458611}}^1$

素因数の和:458627

約数の個数: 24

約数和(自身を含む): 154093632

約数和(自身を除く): 89888092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 458611, 917222, 1834444, 2293055, 3210277, 4586110, 6420554, 9172220, 12841108, 16051385, 32102770, 64205540]

約数ペア:

[(1, 64205540), (2, 32102770), (4, 16051385), (5, 12841108), (7, 9172220), (10, 6420554), (14, 4586110), (20, 3210277), (28, 2293055), (35, 1834444), (70, 917222), (140, 458611)]