40820072

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1109}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 79120800

約数和(自身を除く): 38300728

約数列:

[1, 2, 4, 8, 43, 86, 107, 172, 214, 344, 428, 856, 1109, 2218, 4436, 4601, 8872, 9202, 18404, 36808, 47687, 95374, 118663, 190748, 237326, 381496, 474652, 949304, 5102509, 10205018, 20410036, 40820072]

約数ペア:

[(1, 40820072), (2, 20410036), (4, 10205018), (8, 5102509), (43, 949304), (86, 474652), (107, 381496), (172, 237326), (214, 190748), (344, 118663), (428, 95374), (856, 47687), (1109, 36808), (2218, 18404), (4436, 9202), (4601, 8872)]