123555560

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{2939}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 278359200

約数和(自身を除く): 154803640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 2939, 4204, 5255, 5878, 8408, 10510, 11756, 14695, 21020, 23512, 29390, 42040, 58780, 117560, 3088889, 6177778, 12355556, 15444445, 24711112, 30888890, 61777780, 123555560]

約数ペア:

[(1, 123555560), (2, 61777780), (4, 30888890), (5, 24711112), (8, 15444445), (10, 12355556), (20, 6177778), (40, 3088889), (1051, 117560), (2102, 58780), (2939, 42040), (4204, 29390), (5255, 23512), (5878, 21020), (8408, 14695), (10510, 11756)]