20080800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2789}}^1$

素因数の和:2815

約数の個数: 108

約数和(自身を含む): 70835310

約数和(自身を除く): 50754510

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2789, 3600, 5578, 7200, 8367, 11156, 13945, 16734, 22312, 25101, 27890, 33468, 41835, 44624, 50202, 55780, 66936, 69725, 83670, 89248, 100404, 111560, 125505, 133872, 139450, 167340, 200808, 209175, 223120, 251010, 267744, 278900, 334680, 401616, 418350, 446240, 502020, 557800, 627525, 669360, 803232, 836700, 1004040, 1115600, 1255050, 1338720, 1673400, 2008080, 2231200, 2510100, 3346800, 4016160, 5020200, 6693600, 10040400, 20080800]

約数ペア:

[(1, 20080800), (2, 10040400), (3, 6693600), (4, 5020200), (5, 4016160), (6, 3346800), (8, 2510100), (9, 2231200), (10, 2008080), (12, 1673400), (15, 1338720), (16, 1255050), (18, 1115600), (20, 1004040), (24, 836700), (25, 803232), (30, 669360), (32, 627525), (36, 557800), (40, 502020), (45, 446240), (48, 418350), (50, 401616), (60, 334680), (72, 278900), (75, 267744), (80, 251010), (90, 223120), (96, 209175), (100, 200808), (120, 167340), (144, 139450), (150, 133872), (160, 125505), (180, 111560), (200, 100404), (225, 89248), (240, 83670), (288, 69725), (300, 66936), (360, 55780), (400, 50202), (450, 44624), (480, 41835), (600, 33468), (720, 27890), (800, 25101), (900, 22312), (1200, 16734), (1440, 13945), (1800, 11156), (2400, 8367), (2789, 7200), (3600, 5578)]