80700680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46919}}^1$

素因数の和:46973

約数の個数: 32

約数和(自身を含む): 185803200

約数和(自身を除く): 105102520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 46919, 93838, 187676, 234595, 375352, 469190, 938380, 1876760, 2017517, 4035034, 8070068, 10087585, 16140136, 20175170, 40350340, 80700680]

約数ペア:

[(1, 80700680), (2, 40350340), (4, 20175170), (5, 16140136), (8, 10087585), (10, 8070068), (20, 4035034), (40, 2017517), (43, 1876760), (86, 938380), (172, 469190), (215, 375352), (344, 234595), (430, 187676), (860, 93838), (1720, 46919)]