78278080

素因数分解:

$2^6\times 5^1\times {\mathrm{244619}}^1$

素因数の和:244636

約数の個数: 28

約数和(自身を含む): 186400440

約数和(自身を除く): 108122360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 244619, 489238, 978476, 1223095, 1956952, 2446190, 3913904, 4892380, 7827808, 9784760, 15655616, 19569520, 39139040, 78278080]

約数ペア:

[(1, 78278080), (2, 39139040), (4, 19569520), (5, 15655616), (8, 9784760), (10, 7827808), (16, 4892380), (20, 3913904), (32, 2446190), (40, 1956952), (64, 1223095), (80, 978476), (160, 489238), (320, 244619)]