9542840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3911}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 21828960

約数和(自身を除く): 12286120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3911, 7822, 15644, 19555, 31288, 39110, 78220, 156440, 238571, 477142, 954284, 1192855, 1908568, 2385710, 4771420, 9542840]

約数ペア:

[(1, 9542840), (2, 4771420), (4, 2385710), (5, 1908568), (8, 1192855), (10, 954284), (20, 477142), (40, 238571), (61, 156440), (122, 78220), (244, 39110), (305, 31288), (488, 19555), (610, 15644), (1220, 7822), (2440, 3911)]