20111874400

素因数分解:

$2^5\times 5^2\times {\mathrm{3469}}^1\times {\mathrm{7247}}^1$

素因数の和:10736

約数の個数: 72

約数和(自身を含む): 49119043680

約数和(自身を除く): 29007169280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 3469, 6938, 7247, 13876, 14494, 17345, 27752, 28988, 34690, 36235, 55504, 57976, 69380, 72470, 86725, 111008, 115952, 138760, 144940, 173450, 181175, 231904, 277520, 289880, 346900, 362350, 555040, 579760, 693800, 724700, 1159520, 1387600, 1449400, 2775200, 2898800, 5797600, 25139843, 50279686, 100559372, 125699215, 201118744, 251398430, 402237488, 502796860, 628496075, 804474976, 1005593720, 1256992150, 2011187440, 2513984300, 4022374880, 5027968600, 10055937200, 20111874400]

約数ペア:

[(1, 20111874400), (2, 10055937200), (4, 5027968600), (5, 4022374880), (8, 2513984300), (10, 2011187440), (16, 1256992150), (20, 1005593720), (25, 804474976), (32, 628496075), (40, 502796860), (50, 402237488), (80, 251398430), (100, 201118744), (160, 125699215), (200, 100559372), (400, 50279686), (800, 25139843), (3469, 5797600), (6938, 2898800), (7247, 2775200), (13876, 1449400), (14494, 1387600), (17345, 1159520), (27752, 724700), (28988, 693800), (34690, 579760), (36235, 555040), (55504, 362350), (57976, 346900), (69380, 289880), (72470, 277520), (86725, 231904), (111008, 181175), (115952, 173450), (138760, 144940)]