20168750

素因数分解:

$2^1\times 5^5\times 7^1\times {\mathrm{461}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 43309728

約数和(自身を除く): 23140978

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 461, 625, 875, 922, 1250, 1750, 2305, 3125, 3227, 4375, 4610, 6250, 6454, 8750, 11525, 16135, 21875, 23050, 32270, 43750, 57625, 80675, 115250, 161350, 288125, 403375, 576250, 806750, 1440625, 2016875, 2881250, 4033750, 10084375, 20168750]

約数ペア:

[(1, 20168750), (2, 10084375), (5, 4033750), (7, 2881250), (10, 2016875), (14, 1440625), (25, 806750), (35, 576250), (50, 403375), (70, 288125), (125, 161350), (175, 115250), (250, 80675), (350, 57625), (461, 43750), (625, 32270), (875, 23050), (922, 21875), (1250, 16135), (1750, 11525), (2305, 8750), (3125, 6454), (3227, 6250), (4375, 4610)]