26859920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 40635760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 431, 656, 760, 779, 820, 862, 1520, 1558, 1640, 1724, 2155, 3116, 3280, 3448, 3895, 4310, 6232, 6896, 7790, 8189, 8620, 12464, 15580, 16378, 17240, 17671, 31160, 32756, 34480, 35342, 40945, 62320, 65512, 70684, 81890, 88355, 131024, 141368, 163780, 176710, 282736, 327560, 335749, 353420, 655120, 671498, 706840, 1342996, 1413680, 1678745, 2685992, 3357490, 5371984, 6714980, 13429960, 26859920]

約数ペア:

[(1, 26859920), (2, 13429960), (4, 6714980), (5, 5371984), (8, 3357490), (10, 2685992), (16, 1678745), (19, 1413680), (20, 1342996), (38, 706840), (40, 671498), (41, 655120), (76, 353420), (80, 335749), (82, 327560), (95, 282736), (152, 176710), (164, 163780), (190, 141368), (205, 131024), (304, 88355), (328, 81890), (380, 70684), (410, 65512), (431, 62320), (656, 40945), (760, 35342), (779, 34480), (820, 32756), (862, 31160), (1520, 17671), (1558, 17240), (1640, 16378), (1724, 15580), (2155, 12464), (3116, 8620), (3280, 8189), (3448, 7790), (3895, 6896), (4310, 6232)]