13705840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 34283520

約数和(自身を除く): 20577680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 127, 142, 152, 190, 254, 284, 304, 355, 380, 508, 568, 635, 710, 760, 1016, 1136, 1270, 1349, 1420, 1520, 2032, 2413, 2540, 2698, 2840, 4826, 5080, 5396, 5680, 6745, 9017, 9652, 10160, 10792, 12065, 13490, 18034, 19304, 21584, 24130, 26980, 36068, 38608, 45085, 48260, 53960, 72136, 90170, 96520, 107920, 144272, 171323, 180340, 193040, 342646, 360680, 685292, 721360, 856615, 1370584, 1713230, 2741168, 3426460, 6852920, 13705840]

約数ペア:

[(1, 13705840), (2, 6852920), (4, 3426460), (5, 2741168), (8, 1713230), (10, 1370584), (16, 856615), (19, 721360), (20, 685292), (38, 360680), (40, 342646), (71, 193040), (76, 180340), (80, 171323), (95, 144272), (127, 107920), (142, 96520), (152, 90170), (190, 72136), (254, 53960), (284, 48260), (304, 45085), (355, 38608), (380, 36068), (508, 26980), (568, 24130), (635, 21584), (710, 19304), (760, 18034), (1016, 13490), (1136, 12065), (1270, 10792), (1349, 10160), (1420, 9652), (1520, 9017), (2032, 6745), (2413, 5680), (2540, 5396), (2698, 5080), (2840, 4826)]