39612980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16369}}^1$

素因数の和:16400

約数の個数: 36

約数和(自身を含む): 91442820

約数和(自身を除く): 51829840

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 16369, 32738, 65476, 81845, 163690, 180059, 327380, 360118, 720236, 900295, 1800590, 1980649, 3601180, 3961298, 7922596, 9903245, 19806490, 39612980]

約数ペア:

[(1, 39612980), (2, 19806490), (4, 9903245), (5, 7922596), (10, 3961298), (11, 3601180), (20, 1980649), (22, 1800590), (44, 900295), (55, 720236), (110, 360118), (121, 327380), (220, 180059), (242, 163690), (484, 81845), (605, 65476), (1210, 32738), (2420, 16369)]