39897460

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{2129}}^1$

素因数の和:3075

約数の個数: 24

約数和(自身を含む): 83913480

約数和(自身を除く): 44016020

約数列:

[1, 2, 4, 5, 10, 20, 937, 1874, 2129, 3748, 4258, 4685, 8516, 9370, 10645, 18740, 21290, 42580, 1994873, 3989746, 7979492, 9974365, 19948730, 39897460]

約数ペア:

[(1, 39897460), (2, 19948730), (4, 9974365), (5, 7979492), (10, 3989746), (20, 1994873), (937, 42580), (1874, 21290), (2129, 18740), (3748, 10645), (4258, 9370), (4685, 8516)]