81653920

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9629}}^1$

素因数の和:9697

約数の個数: 48

約数和(自身を含む): 196567560

約数和(自身を除く): 114913640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 9629, 19258, 38516, 48145, 77032, 96290, 154064, 192580, 308128, 385160, 510337, 770320, 1020674, 1540640, 2041348, 2551685, 4082696, 5103370, 8165392, 10206740, 16330784, 20413480, 40826960, 81653920]

約数ペア:

[(1, 81653920), (2, 40826960), (4, 20413480), (5, 16330784), (8, 10206740), (10, 8165392), (16, 5103370), (20, 4082696), (32, 2551685), (40, 2041348), (53, 1540640), (80, 1020674), (106, 770320), (160, 510337), (212, 385160), (265, 308128), (424, 192580), (530, 154064), (848, 96290), (1060, 77032), (1696, 48145), (2120, 38516), (4240, 19258), (8480, 9629)]