85041980

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{3079}}^1$

素因数の和:4469

約数の個数: 24

約数和(自身を含む): 178775520

約数和(自身を除く): 93733540

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 3079, 5524, 6158, 6905, 12316, 13810, 15395, 27620, 30790, 61580, 4252099, 8504198, 17008396, 21260495, 42520990, 85041980]

約数ペア:

[(1, 85041980), (2, 42520990), (4, 21260495), (5, 17008396), (10, 8504198), (20, 4252099), (1381, 61580), (2762, 30790), (3079, 27620), (5524, 15395), (6158, 13810), (6905, 12316)]