85661060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138163}}^1$

素因数の和:138203

約数の個数: 24

約数和(自身を含む): 185692416

約数和(自身を除く): 100031356

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 138163, 276326, 552652, 690815, 1381630, 2763260, 4283053, 8566106, 17132212, 21415265, 42830530, 85661060]

約数ペア:

[(1, 85661060), (2, 42830530), (4, 21415265), (5, 17132212), (10, 8566106), (20, 4283053), (31, 2763260), (62, 1381630), (124, 690815), (155, 552652), (310, 276326), (620, 138163)]