91078360

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{16381}}^1$

素因数の和:16531

約数の個数: 32

約数和(自身を含む): 206413200

約数和(自身を除く): 115334840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 16381, 32762, 65524, 81905, 131048, 163810, 327620, 655240, 2276959, 4553918, 9107836, 11384795, 18215672, 22769590, 45539180, 91078360]

約数ペア:

[(1, 91078360), (2, 45539180), (4, 22769590), (5, 18215672), (8, 11384795), (10, 9107836), (20, 4553918), (40, 2276959), (139, 655240), (278, 327620), (556, 163810), (695, 131048), (1112, 81905), (1390, 65524), (2780, 32762), (5560, 16381)]