85154120

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2593}}^1$

素因数の和:3425

約数の個数: 32

約数和(自身を含む): 191904120

約数和(自身を除く): 106750000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 2593, 3284, 4105, 5186, 6568, 8210, 10372, 12965, 16420, 20744, 25930, 32840, 51860, 103720, 2128853, 4257706, 8515412, 10644265, 17030824, 21288530, 42577060, 85154120]

約数ペア:

[(1, 85154120), (2, 42577060), (4, 21288530), (5, 17030824), (8, 10644265), (10, 8515412), (20, 4257706), (40, 2128853), (821, 103720), (1642, 51860), (2593, 32840), (3284, 25930), (4105, 20744), (5186, 16420), (6568, 12965), (8210, 10372)]