123288520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{65579}}^1$

素因数の和:65637

約数の個数: 32

約数和(自身を含む): 283305600

約数和(自身を除く): 160017080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 65579, 131158, 262316, 327895, 524632, 655790, 1311580, 2623160, 3082213, 6164426, 12328852, 15411065, 24657704, 30822130, 61644260, 123288520]

約数ペア:

[(1, 123288520), (2, 61644260), (4, 30822130), (5, 24657704), (8, 15411065), (10, 12328852), (20, 6164426), (40, 3082213), (47, 2623160), (94, 1311580), (188, 655790), (235, 524632), (376, 327895), (470, 262316), (940, 131158), (1880, 65579)]