40578740

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{2129}}^1$

素因数の和:3091

約数の個数: 24

約数和(自身を含む): 85344840

約数和(自身を除く): 44766100

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 2129, 3812, 4258, 4765, 8516, 9530, 10645, 19060, 21290, 42580, 2028937, 4057874, 8115748, 10144685, 20289370, 40578740]

約数ペア:

[(1, 40578740), (2, 20289370), (4, 10144685), (5, 8115748), (10, 4057874), (20, 2028937), (953, 42580), (1906, 21290), (2129, 19060), (3812, 10645), (4258, 9530), (4765, 8516)]