86630360

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15581}}^1$

素因数の和:15731

約数の個数: 32

約数和(自身を含む): 196333200

約数和(自身を除く): 109702840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 15581, 31162, 62324, 77905, 124648, 155810, 311620, 623240, 2165759, 4331518, 8663036, 10828795, 17326072, 21657590, 43315180, 86630360]

約数ペア:

[(1, 86630360), (2, 43315180), (4, 21657590), (5, 17326072), (8, 10828795), (10, 8663036), (20, 4331518), (40, 2165759), (139, 623240), (278, 311620), (556, 155810), (695, 124648), (1112, 77905), (1390, 62324), (2780, 31162), (5560, 15581)]