67810390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{67139}}^1$

素因数の和:67247

約数の個数: 16

約数和(自身を含む): 123269040

約数和(自身を除く): 55458650

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 67139, 134278, 335695, 671390, 6781039, 13562078, 33905195, 67810390]

約数ペア:

[(1, 67810390), (2, 33905195), (5, 13562078), (10, 6781039), (101, 671390), (202, 335695), (505, 134278), (1010, 67139)]