12551720

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1879}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 28425600

約数和(自身を除く): 15873880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 1879, 3340, 3758, 6680, 7516, 9395, 15032, 18790, 37580, 75160, 313793, 627586, 1255172, 1568965, 2510344, 3137930, 6275860, 12551720]

約数ペア:

[(1, 12551720), (2, 6275860), (4, 3137930), (5, 2510344), (8, 1568965), (10, 1255172), (20, 627586), (40, 313793), (167, 75160), (334, 37580), (668, 18790), (835, 15032), (1336, 9395), (1670, 7516), (1879, 6680), (3340, 3758)]