12898760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6581}}^1$

素因数の和:6606

約数の個数: 48

約数和(自身を含む): 33765660

約数和(自身を除く): 20866900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6581, 13162, 26324, 32905, 46067, 52648, 65810, 92134, 131620, 184268, 230335, 263240, 322469, 368536, 460670, 644938, 921340, 1289876, 1612345, 1842680, 2579752, 3224690, 6449380, 12898760]

約数ペア:

[(1, 12898760), (2, 6449380), (4, 3224690), (5, 2579752), (7, 1842680), (8, 1612345), (10, 1289876), (14, 921340), (20, 644938), (28, 460670), (35, 368536), (40, 322469), (49, 263240), (56, 230335), (70, 184268), (98, 131620), (140, 92134), (196, 65810), (245, 52648), (280, 46067), (392, 32905), (490, 26324), (980, 13162), (1960, 6581)]