27640060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10391}}^1$

素因数の和:10426

約数の個数: 48

約数和(自身を含む): 69834240

約数和(自身を除く): 42194180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10391, 20782, 41564, 51955, 72737, 103910, 145474, 197429, 207820, 290948, 363685, 394858, 727370, 789716, 987145, 1382003, 1454740, 1974290, 2764006, 3948580, 5528012, 6910015, 13820030, 27640060]

約数ペア:

[(1, 27640060), (2, 13820030), (4, 6910015), (5, 5528012), (7, 3948580), (10, 2764006), (14, 1974290), (19, 1454740), (20, 1382003), (28, 987145), (35, 789716), (38, 727370), (70, 394858), (76, 363685), (95, 290948), (133, 207820), (140, 197429), (190, 145474), (266, 103910), (380, 72737), (532, 51955), (665, 41564), (1330, 20782), (2660, 10391)]