27960880

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1931}}^1$

素因数の和:2125

約数の個数: 40

約数和(自身を含む): 65402064

約数和(自身を除く): 37441184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 1931, 2896, 3620, 3862, 7240, 7724, 9655, 14480, 15448, 19310, 30896, 38620, 77240, 154480, 349511, 699022, 1398044, 1747555, 2796088, 3495110, 5592176, 6990220, 13980440, 27960880]

約数ペア:

[(1, 27960880), (2, 13980440), (4, 6990220), (5, 5592176), (8, 3495110), (10, 2796088), (16, 1747555), (20, 1398044), (40, 699022), (80, 349511), (181, 154480), (362, 77240), (724, 38620), (905, 30896), (1448, 19310), (1810, 15448), (1931, 14480), (2896, 9655), (3620, 7724), (3862, 7240)]