72621100

素因数分解:

$2^2\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1811}}^1$

素因数の和:2226

約数の個数: 36

約数和(自身を含む): 158068008

約数和(自身を除く): 85446908

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 401, 802, 1604, 1811, 2005, 3622, 4010, 7244, 8020, 9055, 10025, 18110, 20050, 36220, 40100, 45275, 90550, 181100, 726211, 1452422, 2904844, 3631055, 7262110, 14524220, 18155275, 36310550, 72621100]

約数ペア:

[(1, 72621100), (2, 36310550), (4, 18155275), (5, 14524220), (10, 7262110), (20, 3631055), (25, 2904844), (50, 1452422), (100, 726211), (401, 181100), (802, 90550), (1604, 45275), (1811, 40100), (2005, 36220), (3622, 20050), (4010, 18110), (7244, 10025), (8020, 9055)]