80932780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{212981}}^1$

素因数の和:213009

約数の個数: 24

約数和(自身を含む): 178904880

約数和(自身を除く): 97972100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 212981, 425962, 851924, 1064905, 2129810, 4046639, 4259620, 8093278, 16186556, 20233195, 40466390, 80932780]

約数ペア:

[(1, 80932780), (2, 40466390), (4, 20233195), (5, 16186556), (10, 8093278), (19, 4259620), (20, 4046639), (38, 2129810), (76, 1064905), (95, 851924), (190, 425962), (380, 212981)]