391520

素因数分解:

$2^5\times 5^1\times {\mathrm{2447}}^1$

素因数の和:2462

約数の個数: 24

約数和(自身を含む): 925344

約数和(自身を除く): 533824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2447, 4894, 9788, 12235, 19576, 24470, 39152, 48940, 78304, 97880, 195760, 391520]

約数ペア:

[(1, 391520), (2, 195760), (4, 97880), (5, 78304), (8, 48940), (10, 39152), (16, 24470), (20, 19576), (32, 12235), (40, 9788), (80, 4894), (160, 2447)]