22404040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 32027960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 719, 760, 779, 820, 1438, 1558, 1640, 2876, 3116, 3595, 3895, 5752, 6232, 7190, 7790, 13661, 14380, 15580, 27322, 28760, 29479, 31160, 54644, 58958, 68305, 109288, 117916, 136610, 147395, 235832, 273220, 294790, 546440, 560101, 589580, 1120202, 1179160, 2240404, 2800505, 4480808, 5601010, 11202020, 22404040]

約数ペア:

[(1, 22404040), (2, 11202020), (4, 5601010), (5, 4480808), (8, 2800505), (10, 2240404), (19, 1179160), (20, 1120202), (38, 589580), (40, 560101), (41, 546440), (76, 294790), (82, 273220), (95, 235832), (152, 147395), (164, 136610), (190, 117916), (205, 109288), (328, 68305), (380, 58958), (410, 54644), (719, 31160), (760, 29479), (779, 28760), (820, 27322), (1438, 15580), (1558, 14380), (1640, 13661), (2876, 7790), (3116, 7190), (3595, 6232), (3895, 5752)]