85567780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{60259}}^1$

素因数の和:60339

約数の個数: 24

約数和(自身を含む): 182226240

約数和(自身を除く): 96658460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 60259, 120518, 241036, 301295, 602590, 1205180, 4278389, 8556778, 17113556, 21391945, 42783890, 85567780]

約数ペア:

[(1, 85567780), (2, 42783890), (4, 21391945), (5, 17113556), (10, 8556778), (20, 4278389), (71, 1205180), (142, 602590), (284, 301295), (355, 241036), (710, 120518), (1420, 60259)]