85290640

素因数分解:

$2^4\times 5^1\times {\mathrm{1066133}}^1$

素因数の和:1066146

約数の個数: 20

約数和(自身を含む): 198300924

約数和(自身を除く): 113010284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1066133, 2132266, 4264532, 5330665, 8529064, 10661330, 17058128, 21322660, 42645320, 85290640]

約数ペア:

[(1, 85290640), (2, 42645320), (4, 21322660), (5, 17058128), (8, 10661330), (10, 8529064), (16, 5330665), (20, 4264532), (40, 2132266), (80, 1066133)]