7991240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^2$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 18827100

約数和(自身を除く): 10835860

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 83, 116, 145, 166, 232, 290, 332, 415, 580, 664, 830, 1160, 1660, 2407, 3320, 4814, 6889, 9628, 12035, 13778, 19256, 24070, 27556, 34445, 48140, 55112, 68890, 96280, 137780, 199781, 275560, 399562, 799124, 998905, 1598248, 1997810, 3995620, 7991240]

約数ペア:

[(1, 7991240), (2, 3995620), (4, 1997810), (5, 1598248), (8, 998905), (10, 799124), (20, 399562), (29, 275560), (40, 199781), (58, 137780), (83, 96280), (116, 68890), (145, 55112), (166, 48140), (232, 34445), (290, 27556), (332, 24070), (415, 19256), (580, 13778), (664, 12035), (830, 9628), (1160, 6889), (1660, 4814), (2407, 3320)]