20002500

素因数分解:

$2^2\times 3^2\times 5^4\times 7^1\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 180

約数和(自身を含む): 72776704

約数和(自身を除く): 52774204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 127, 140, 150, 175, 180, 210, 225, 250, 252, 254, 300, 315, 350, 375, 381, 420, 450, 500, 508, 525, 625, 630, 635, 700, 750, 762, 875, 889, 900, 1050, 1125, 1143, 1250, 1260, 1270, 1500, 1524, 1575, 1750, 1778, 1875, 1905, 2100, 2250, 2286, 2500, 2540, 2625, 2667, 3150, 3175, 3500, 3556, 3750, 3810, 4375, 4445, 4500, 4572, 5250, 5334, 5625, 5715, 6300, 6350, 7500, 7620, 7875, 8001, 8750, 8890, 9525, 10500, 10668, 11250, 11430, 12700, 13125, 13335, 15750, 15875, 16002, 17500, 17780, 19050, 22225, 22500, 22860, 26250, 26670, 28575, 31500, 31750, 32004, 38100, 39375, 40005, 44450, 47625, 52500, 53340, 57150, 63500, 66675, 78750, 79375, 80010, 88900, 95250, 111125, 114300, 133350, 142875, 157500, 158750, 160020, 190500, 200025, 222250, 238125, 266700, 285750, 317500, 333375, 400050, 444500, 476250, 555625, 571500, 666750, 714375, 800100, 952500, 1000125, 1111250, 1333500, 1428750, 1666875, 2000250, 2222500, 2857500, 3333750, 4000500, 5000625, 6667500, 10001250, 20002500]

約数ペア:

[(1, 20002500), (2, 10001250), (3, 6667500), (4, 5000625), (5, 4000500), (6, 3333750), (7, 2857500), (9, 2222500), (10, 2000250), (12, 1666875), (14, 1428750), (15, 1333500), (18, 1111250), (20, 1000125), (21, 952500), (25, 800100), (28, 714375), (30, 666750), (35, 571500), (36, 555625), (42, 476250), (45, 444500), (50, 400050), (60, 333375), (63, 317500), (70, 285750), (75, 266700), (84, 238125), (90, 222250), (100, 200025), (105, 190500), (125, 160020), (126, 158750), (127, 157500), (140, 142875), (150, 133350), (175, 114300), (180, 111125), (210, 95250), (225, 88900), (250, 80010), (252, 79375), (254, 78750), (300, 66675), (315, 63500), (350, 57150), (375, 53340), (381, 52500), (420, 47625), (450, 44450), (500, 40005), (508, 39375), (525, 38100), (625, 32004), (630, 31750), (635, 31500), (700, 28575), (750, 26670), (762, 26250), (875, 22860), (889, 22500), (900, 22225), (1050, 19050), (1125, 17780), (1143, 17500), (1250, 16002), (1260, 15875), (1270, 15750), (1500, 13335), (1524, 13125), (1575, 12700), (1750, 11430), (1778, 11250), (1875, 10668), (1905, 10500), (2100, 9525), (2250, 8890), (2286, 8750), (2500, 8001), (2540, 7875), (2625, 7620), (2667, 7500), (3150, 6350), (3175, 6300), (3500, 5715), (3556, 5625), (3750, 5334), (3810, 5250), (4375, 4572), (4445, 4500)]