20002400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2273}}^1$

素因数の和:2304

約数の個数: 72

約数和(自身を含む): 53293464

約数和(自身を除く): 33291064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2273, 4400, 4546, 8800, 9092, 11365, 18184, 22730, 25003, 36368, 45460, 50006, 56825, 72736, 90920, 100012, 113650, 125015, 181840, 200024, 227300, 250030, 363680, 400048, 454600, 500060, 625075, 800096, 909200, 1000120, 1250150, 1818400, 2000240, 2500300, 4000480, 5000600, 10001200, 20002400]

約数ペア:

[(1, 20002400), (2, 10001200), (4, 5000600), (5, 4000480), (8, 2500300), (10, 2000240), (11, 1818400), (16, 1250150), (20, 1000120), (22, 909200), (25, 800096), (32, 625075), (40, 500060), (44, 454600), (50, 400048), (55, 363680), (80, 250030), (88, 227300), (100, 200024), (110, 181840), (160, 125015), (176, 113650), (200, 100012), (220, 90920), (275, 72736), (352, 56825), (400, 50006), (440, 45460), (550, 36368), (800, 25003), (880, 22730), (1100, 18184), (1760, 11365), (2200, 9092), (2273, 8800), (4400, 4546)]