65649820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3319}}^1$

素因数の和:3394

約数の個数: 48

約数和(自身を含む): 147248640

約数和(自身を除く): 81598820

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3319, 3956, 4945, 6638, 9890, 13276, 16595, 19780, 33190, 66380, 76337, 142717, 152674, 285434, 305348, 381685, 570868, 713585, 763370, 1427170, 1526740, 2854340, 3282491, 6564982, 13129964, 16412455, 32824910, 65649820]

約数ペア:

[(1, 65649820), (2, 32824910), (4, 16412455), (5, 13129964), (10, 6564982), (20, 3282491), (23, 2854340), (43, 1526740), (46, 1427170), (86, 763370), (92, 713585), (115, 570868), (172, 381685), (215, 305348), (230, 285434), (430, 152674), (460, 142717), (860, 76337), (989, 66380), (1978, 33190), (3319, 19780), (3956, 16595), (4945, 13276), (6638, 9890)]