12970760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:782

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 19688440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 719, 820, 902, 1438, 1640, 1804, 2255, 2876, 3595, 3608, 4510, 5752, 7190, 7909, 9020, 14380, 15818, 18040, 28760, 29479, 31636, 39545, 58958, 63272, 79090, 117916, 147395, 158180, 235832, 294790, 316360, 324269, 589580, 648538, 1179160, 1297076, 1621345, 2594152, 3242690, 6485380, 12970760]

約数ペア:

[(1, 12970760), (2, 6485380), (4, 3242690), (5, 2594152), (8, 1621345), (10, 1297076), (11, 1179160), (20, 648538), (22, 589580), (40, 324269), (41, 316360), (44, 294790), (55, 235832), (82, 158180), (88, 147395), (110, 117916), (164, 79090), (205, 63272), (220, 58958), (328, 39545), (410, 31636), (440, 29479), (451, 28760), (719, 18040), (820, 15818), (902, 14380), (1438, 9020), (1640, 7909), (1804, 7190), (2255, 5752), (2876, 4510), (3595, 3608)]