20145166640

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1099627}}^1$

素因数の和:1099869

約数の個数: 40

約数和(自身を含む): 47042085840

約数和(自身を除く): 26896919200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 18320, 1099627, 2199254, 4398508, 5498135, 8797016, 10996270, 17594032, 21992540, 43985080, 87970160, 251814583, 503629166, 1007258332, 1259072915, 2014516664, 2518145830, 4029033328, 5036291660, 10072583320, 20145166640]

約数ペア:

[(1, 20145166640), (2, 10072583320), (4, 5036291660), (5, 4029033328), (8, 2518145830), (10, 2014516664), (16, 1259072915), (20, 1007258332), (40, 503629166), (80, 251814583), (229, 87970160), (458, 43985080), (916, 21992540), (1145, 17594032), (1832, 10996270), (2290, 8797016), (3664, 5498135), (4580, 4398508), (9160, 2199254), (18320, 1099627)]