12890500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 33546240

約数和(自身を除く): 20655740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 125, 127, 140, 145, 175, 203, 250, 254, 290, 350, 406, 500, 508, 580, 635, 700, 725, 812, 875, 889, 1015, 1270, 1450, 1750, 1778, 2030, 2540, 2900, 3175, 3500, 3556, 3625, 3683, 4060, 4445, 5075, 6350, 7250, 7366, 8890, 10150, 12700, 14500, 14732, 15875, 17780, 18415, 20300, 22225, 25375, 25781, 31750, 36830, 44450, 50750, 51562, 63500, 73660, 88900, 92075, 101500, 103124, 111125, 128905, 184150, 222250, 257810, 368300, 444500, 460375, 515620, 644525, 920750, 1289050, 1841500, 2578100, 3222625, 6445250, 12890500]

約数ペア:

[(1, 12890500), (2, 6445250), (4, 3222625), (5, 2578100), (7, 1841500), (10, 1289050), (14, 920750), (20, 644525), (25, 515620), (28, 460375), (29, 444500), (35, 368300), (50, 257810), (58, 222250), (70, 184150), (100, 128905), (116, 111125), (125, 103124), (127, 101500), (140, 92075), (145, 88900), (175, 73660), (203, 63500), (250, 51562), (254, 50750), (290, 44450), (350, 36830), (406, 31750), (500, 25781), (508, 25375), (580, 22225), (635, 20300), (700, 18415), (725, 17780), (812, 15875), (875, 14732), (889, 14500), (1015, 12700), (1270, 10150), (1450, 8890), (1750, 7366), (1778, 7250), (2030, 6350), (2540, 5075), (2900, 4445), (3175, 4060), (3500, 3683), (3556, 3625)]