185258889680

素因数分解:

$2^4\times 5^1\times {\mathrm{2315736121}}^1$

素因数の和:2315736134

約数の個数: 20

約数和(自身を含む): 430726918692

約数和(自身を除く): 245468029012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2315736121, 4631472242, 9262944484, 11578680605, 18525888968, 23157361210, 37051777936, 46314722420, 92629444840, 185258889680]

約数ペア:

[(1, 185258889680), (2, 92629444840), (4, 46314722420), (5, 37051777936), (8, 23157361210), (10, 18525888968), (16, 11578680605), (20, 9262944484), (40, 4631472242), (80, 2315736121)]