77311480

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{7349}}^1$

素因数の和:7623

約数の個数: 32

約数和(自身を含む): 174636000

約数和(自身を除く): 97324520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 7349, 10520, 14698, 29396, 36745, 58792, 73490, 146980, 293960, 1932787, 3865574, 7731148, 9663935, 15462296, 19327870, 38655740, 77311480]

約数ペア:

[(1, 77311480), (2, 38655740), (4, 19327870), (5, 15462296), (8, 9663935), (10, 7731148), (20, 3865574), (40, 1932787), (263, 293960), (526, 146980), (1052, 73490), (1315, 58792), (2104, 36745), (2630, 29396), (5260, 14698), (7349, 10520)]