1419520

素因数分解:

$2^8\times 5^1\times {\mathrm{1109}}^1$

素因数の和:1130

約数の個数: 36

約数和(自身を含む): 3403260

約数和(自身を除く): 1983740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1109, 1280, 2218, 4436, 5545, 8872, 11090, 17744, 22180, 35488, 44360, 70976, 88720, 141952, 177440, 283904, 354880, 709760, 1419520]

約数ペア:

[(1, 1419520), (2, 709760), (4, 354880), (5, 283904), (8, 177440), (10, 141952), (16, 88720), (20, 70976), (32, 44360), (40, 35488), (64, 22180), (80, 17744), (128, 11090), (160, 8872), (256, 5545), (320, 4436), (640, 2218), (1109, 1280)]