8065480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 19926000

約数和(自身を除く): 11860520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 409, 493, 580, 680, 818, 986, 1160, 1636, 1972, 2045, 2465, 3272, 3944, 4090, 4930, 6953, 8180, 9860, 11861, 13906, 16360, 19720, 23722, 27812, 34765, 47444, 55624, 59305, 69530, 94888, 118610, 139060, 201637, 237220, 278120, 403274, 474440, 806548, 1008185, 1613096, 2016370, 4032740, 8065480]

約数ペア:

[(1, 8065480), (2, 4032740), (4, 2016370), (5, 1613096), (8, 1008185), (10, 806548), (17, 474440), (20, 403274), (29, 278120), (34, 237220), (40, 201637), (58, 139060), (68, 118610), (85, 94888), (116, 69530), (136, 59305), (145, 55624), (170, 47444), (232, 34765), (290, 27812), (340, 23722), (409, 19720), (493, 16360), (580, 13906), (680, 11861), (818, 9860), (986, 8180), (1160, 6953), (1636, 4930), (1972, 4090), (2045, 3944), (2465, 3272)]