854296640

素因数分解:

$2^6\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{2447}}^1$

素因数の和:3555

約数の個数: 56

約数和(自身を含む): 2036990592

約数和(自身を除く): 1182693952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1091, 2182, 2447, 4364, 4894, 5455, 8728, 9788, 10910, 12235, 17456, 19576, 21820, 24470, 34912, 39152, 43640, 48940, 69824, 78304, 87280, 97880, 156608, 174560, 195760, 349120, 391520, 783040, 2669677, 5339354, 10678708, 13348385, 21357416, 26696770, 42714832, 53393540, 85429664, 106787080, 170859328, 213574160, 427148320, 854296640]

約数ペア:

[(1, 854296640), (2, 427148320), (4, 213574160), (5, 170859328), (8, 106787080), (10, 85429664), (16, 53393540), (20, 42714832), (32, 26696770), (40, 21357416), (64, 13348385), (80, 10678708), (160, 5339354), (320, 2669677), (1091, 783040), (2182, 391520), (2447, 349120), (4364, 195760), (4894, 174560), (5455, 156608), (8728, 97880), (9788, 87280), (10910, 78304), (12235, 69824), (17456, 48940), (19576, 43640), (21820, 39152), (24470, 34912)]