13429960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 19229240

約数列:

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

約数ペア:

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