64382320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27751}}^1$

素因数の和:27793

約数の個数: 40

約数和(自身を含む): 154856160

約数和(自身を除く): 90473840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 27751, 55502, 111004, 138755, 222008, 277510, 444016, 555020, 804779, 1110040, 1609558, 2220080, 3219116, 4023895, 6438232, 8047790, 12876464, 16095580, 32191160, 64382320]

約数ペア:

[(1, 64382320), (2, 32191160), (4, 16095580), (5, 12876464), (8, 8047790), (10, 6438232), (16, 4023895), (20, 3219116), (29, 2220080), (40, 1609558), (58, 1110040), (80, 804779), (116, 555020), (145, 444016), (232, 277510), (290, 222008), (464, 138755), (580, 111004), (1160, 55502), (2320, 27751)]