39998540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68963}}^1$

素因数の和:69001

約数の個数: 24

約数和(自身を含む): 86894640

約数和(自身を除く): 46896100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 68963, 137926, 275852, 344815, 689630, 1379260, 1999927, 3999854, 7999708, 9999635, 19999270, 39998540]

約数ペア:

[(1, 39998540), (2, 19999270), (4, 9999635), (5, 7999708), (10, 3999854), (20, 1999927), (29, 1379260), (58, 689630), (116, 344815), (145, 275852), (290, 137926), (580, 68963)]