2615691920

素因数分解:

$2^4\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{11981}}^1$

素因数の和:14723

約数の個数: 40

約数和(自身を含む): 6084219960

約数和(自身を除く): 3468528040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2729, 5458, 10916, 11981, 13645, 21832, 23962, 27290, 43664, 47924, 54580, 59905, 95848, 109160, 119810, 191696, 218320, 239620, 479240, 958480, 32696149, 65392298, 130784596, 163480745, 261569192, 326961490, 523138384, 653922980, 1307845960, 2615691920]

約数ペア:

[(1, 2615691920), (2, 1307845960), (4, 653922980), (5, 523138384), (8, 326961490), (10, 261569192), (16, 163480745), (20, 130784596), (40, 65392298), (80, 32696149), (2729, 958480), (5458, 479240), (10916, 239620), (11981, 218320), (13645, 191696), (21832, 119810), (23962, 109160), (27290, 95848), (43664, 59905), (47924, 54580)]