39916180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68821}}^1$

素因数の和:68859

約数の個数: 24

約数和(自身を含む): 86715720

約数和(自身を除く): 46799540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 68821, 137642, 275284, 344105, 688210, 1376420, 1995809, 3991618, 7983236, 9979045, 19958090, 39916180]

約数ペア:

[(1, 39916180), (2, 19958090), (4, 9979045), (5, 7983236), (10, 3991618), (20, 1995809), (29, 1376420), (58, 688210), (116, 344105), (145, 275284), (290, 137642), (580, 68821)]