57920

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1$

素因数の和:198

約数の個数: 28

約数和(自身を含む): 138684

約数和(自身を除く): 80764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 320, 362, 724, 905, 1448, 1810, 2896, 3620, 5792, 7240, 11584, 14480, 28960, 57920]

約数ペア:

[(1, 57920), (2, 28960), (4, 14480), (5, 11584), (8, 7240), (10, 5792), (16, 3620), (20, 2896), (32, 1810), (40, 1448), (64, 905), (80, 724), (160, 362), (181, 320)]