129121760

素因数分解:

$2^5\times 5^1\times {\mathrm{807011}}^1$

素因数の和:807026

約数の個数: 24

約数和(自身を含む): 305050536

約数和(自身を除く): 175928776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 807011, 1614022, 3228044, 4035055, 6456088, 8070110, 12912176, 16140220, 25824352, 32280440, 64560880, 129121760]

約数ペア:

[(1, 129121760), (2, 64560880), (4, 32280440), (5, 25824352), (8, 16140220), (10, 12912176), (16, 8070110), (20, 6456088), (32, 4035055), (40, 3228044), (80, 1614022), (160, 807011)]