25797520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{6581}}^1$

素因数の和:6608

約数の個数: 60

約数和(自身を含む): 69782364

約数和(自身を除く): 43984844

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 6581, 13162, 26324, 32905, 46067, 52648, 65810, 92134, 105296, 131620, 184268, 230335, 263240, 322469, 368536, 460670, 526480, 644938, 737072, 921340, 1289876, 1612345, 1842680, 2579752, 3224690, 3685360, 5159504, 6449380, 12898760, 25797520]

約数ペア:

[(1, 25797520), (2, 12898760), (4, 6449380), (5, 5159504), (7, 3685360), (8, 3224690), (10, 2579752), (14, 1842680), (16, 1612345), (20, 1289876), (28, 921340), (35, 737072), (40, 644938), (49, 526480), (56, 460670), (70, 368536), (80, 322469), (98, 263240), (112, 230335), (140, 184268), (196, 131620), (245, 105296), (280, 92134), (392, 65810), (490, 52648), (560, 46067), (784, 32905), (980, 26324), (1960, 13162), (3920, 6581)]