80277880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42701}}^1$

素因数の和:42759

約数の個数: 32

約数和(自身を含む): 184472640

約数和(自身を除く): 104194760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 42701, 85402, 170804, 213505, 341608, 427010, 854020, 1708040, 2006947, 4013894, 8027788, 10034735, 16055576, 20069470, 40138940, 80277880]

約数ペア:

[(1, 80277880), (2, 40138940), (4, 20069470), (5, 16055576), (8, 10034735), (10, 8027788), (20, 4013894), (40, 2006947), (47, 1708040), (94, 854020), (188, 427010), (235, 341608), (376, 213505), (470, 170804), (940, 85402), (1880, 42701)]