25167820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 56730240

約数和(自身を除く): 31562420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 937, 1343, 1580, 1874, 2686, 3748, 4685, 5372, 6715, 9370, 13430, 15929, 18740, 26860, 31858, 63716, 74023, 79645, 148046, 159290, 296092, 318580, 370115, 740230, 1258391, 1480460, 2516782, 5033564, 6291955, 12583910, 25167820]

約数ペア:

[(1, 25167820), (2, 12583910), (4, 6291955), (5, 5033564), (10, 2516782), (17, 1480460), (20, 1258391), (34, 740230), (68, 370115), (79, 318580), (85, 296092), (158, 159290), (170, 148046), (316, 79645), (340, 74023), (395, 63716), (790, 31858), (937, 26860), (1343, 18740), (1580, 15929), (1874, 13430), (2686, 9370), (3748, 6715), (4685, 5372)]