388770880

素因数分解:

$2^6\times 5^1\times {\mathrm{1214909}}^1$

素因数の和:1214926

約数の個数: 28

約数和(自身を含む): 925761420

約数和(自身を除く): 536990540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1214909, 2429818, 4859636, 6074545, 9719272, 12149090, 19438544, 24298180, 38877088, 48596360, 77754176, 97192720, 194385440, 388770880]

約数ペア:

[(1, 388770880), (2, 194385440), (4, 97192720), (5, 77754176), (8, 48596360), (10, 38877088), (16, 24298180), (20, 19438544), (32, 12149090), (40, 9719272), (64, 6074545), (80, 4859636), (160, 2429818), (320, 1214909)]