13387480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7121}}^1$

素因数の和:7179

約数の個数: 32

約数和(自身を含む): 30767040

約数和(自身を除く): 17379560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 7121, 14242, 28484, 35605, 56968, 71210, 142420, 284840, 334687, 669374, 1338748, 1673435, 2677496, 3346870, 6693740, 13387480]

約数ペア:

[(1, 13387480), (2, 6693740), (4, 3346870), (5, 2677496), (8, 1673435), (10, 1338748), (20, 669374), (40, 334687), (47, 284840), (94, 142420), (188, 71210), (235, 56968), (376, 35605), (470, 28484), (940, 14242), (1880, 7121)]