63428440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{36877}}^1$

素因数の和:36931

約数の個数: 32

約数和(自身を含む): 146036880

約数和(自身を除く): 82608440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 36877, 73754, 147508, 184385, 295016, 368770, 737540, 1475080, 1585711, 3171422, 6342844, 7928555, 12685688, 15857110, 31714220, 63428440]

約数ペア:

[(1, 63428440), (2, 31714220), (4, 15857110), (5, 12685688), (8, 7928555), (10, 6342844), (20, 3171422), (40, 1585711), (43, 1475080), (86, 737540), (172, 368770), (215, 295016), (344, 184385), (430, 147508), (860, 73754), (1720, 36877)]