77951480

素因数分解:

$2^3\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1823}}^1$

素因数の和:2903

約数の個数: 32

約数和(自身を含む): 175651200

約数和(自身を除く): 97699720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1069, 1823, 2138, 3646, 4276, 5345, 7292, 8552, 9115, 10690, 14584, 18230, 21380, 36460, 42760, 72920, 1948787, 3897574, 7795148, 9743935, 15590296, 19487870, 38975740, 77951480]

約数ペア:

[(1, 77951480), (2, 38975740), (4, 19487870), (5, 15590296), (8, 9743935), (10, 7795148), (20, 3897574), (40, 1948787), (1069, 72920), (1823, 42760), (2138, 36460), (3646, 21380), (4276, 18230), (5345, 14584), (7292, 10690), (8552, 9115)]