16408420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117203}}^1$

素因数の和:117219

約数の個数: 24

約数和(自身を含む): 39380544

約数和(自身を除く): 22972124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117203, 234406, 468812, 586015, 820421, 1172030, 1640842, 2344060, 3281684, 4102105, 8204210, 16408420]

約数ペア:

[(1, 16408420), (2, 8204210), (4, 4102105), (5, 3281684), (7, 2344060), (10, 1640842), (14, 1172030), (20, 820421), (28, 586015), (35, 468812), (70, 234406), (140, 117203)]