13479040

素因数分解:

$2^7\times 5^1\times {\mathrm{21061}}^1$

素因数の和:21080

約数の個数: 32

約数和(自身を含む): 32224860

約数和(自身を除く): 18745820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21061, 42122, 84244, 105305, 168488, 210610, 336976, 421220, 673952, 842440, 1347904, 1684880, 2695808, 3369760, 6739520, 13479040]

約数ペア:

[(1, 13479040), (2, 6739520), (4, 3369760), (5, 2695808), (8, 1684880), (10, 1347904), (16, 842440), (20, 673952), (32, 421220), (40, 336976), (64, 210610), (80, 168488), (128, 105305), (160, 84244), (320, 42122), (640, 21061)]