18390080

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:687

約数の個数: 56

約数和(自身を含む): 44302680

約数和(自身を除く): 25912600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 569, 808, 1010, 1138, 1616, 2020, 2276, 2845, 3232, 4040, 4552, 5690, 6464, 8080, 9104, 11380, 16160, 18208, 22760, 32320, 36416, 45520, 57469, 91040, 114938, 182080, 229876, 287345, 459752, 574690, 919504, 1149380, 1839008, 2298760, 3678016, 4597520, 9195040, 18390080]

約数ペア:

[(1, 18390080), (2, 9195040), (4, 4597520), (5, 3678016), (8, 2298760), (10, 1839008), (16, 1149380), (20, 919504), (32, 574690), (40, 459752), (64, 287345), (80, 229876), (101, 182080), (160, 114938), (202, 91040), (320, 57469), (404, 45520), (505, 36416), (569, 32320), (808, 22760), (1010, 18208), (1138, 16160), (1616, 11380), (2020, 9104), (2276, 8080), (2845, 6464), (3232, 5690), (4040, 4552)]