8786020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 19611648

約数和(自身を除く): 10825628

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 383, 620, 740, 766, 1147, 1532, 1915, 2294, 3830, 4588, 5735, 7660, 11470, 11873, 14171, 22940, 23746, 28342, 47492, 56684, 59365, 70855, 118730, 141710, 237460, 283420, 439301, 878602, 1757204, 2196505, 4393010, 8786020]

約数ペア:

[(1, 8786020), (2, 4393010), (4, 2196505), (5, 1757204), (10, 878602), (20, 439301), (31, 283420), (37, 237460), (62, 141710), (74, 118730), (124, 70855), (148, 59365), (155, 56684), (185, 47492), (310, 28342), (370, 23746), (383, 22940), (620, 14171), (740, 11873), (766, 11470), (1147, 7660), (1532, 5735), (1915, 4588), (2294, 3830)]