127635520

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2447}}^1$

素因数の和:2627

約数の個数: 56

約数和(自身を含む): 305921664

約数和(自身を除く): 178286144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 320, 326, 652, 815, 1304, 1630, 2447, 2608, 3260, 4894, 5216, 6520, 9788, 10432, 12235, 13040, 19576, 24470, 26080, 39152, 48940, 52160, 78304, 97880, 156608, 195760, 391520, 398861, 783040, 797722, 1595444, 1994305, 3190888, 3988610, 6381776, 7977220, 12763552, 15954440, 25527104, 31908880, 63817760, 127635520]

約数ペア:

[(1, 127635520), (2, 63817760), (4, 31908880), (5, 25527104), (8, 15954440), (10, 12763552), (16, 7977220), (20, 6381776), (32, 3988610), (40, 3190888), (64, 1994305), (80, 1595444), (160, 797722), (163, 783040), (320, 398861), (326, 391520), (652, 195760), (815, 156608), (1304, 97880), (1630, 78304), (2447, 52160), (2608, 48940), (3260, 39152), (4894, 26080), (5216, 24470), (6520, 19576), (9788, 13040), (10432, 12235)]