77907080

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7187}}^1$

素因数の和:7469

約数の個数: 32

約数和(自身を含む): 175962240

約数和(自身を除く): 98055160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 7187, 10840, 14374, 28748, 35935, 57496, 71870, 143740, 287480, 1947677, 3895354, 7790708, 9738385, 15581416, 19476770, 38953540, 77907080]

約数ペア:

[(1, 77907080), (2, 38953540), (4, 19476770), (5, 15581416), (8, 9738385), (10, 7790708), (20, 3895354), (40, 1947677), (271, 287480), (542, 143740), (1084, 71870), (1355, 57496), (2168, 35935), (2710, 28748), (5420, 14374), (7187, 10840)]