20171255240

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1590793}}^1$

素因数の和:1591121

約数の個数: 32

約数和(自身を含む): 45528524280

約数和(自身を除く): 25357269040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 1590793, 3181586, 6363172, 7953965, 12726344, 15907930, 31815860, 63631720, 504281381, 1008562762, 2017125524, 2521406905, 4034251048, 5042813810, 10085627620, 20171255240]

約数ペア:

[(1, 20171255240), (2, 10085627620), (4, 5042813810), (5, 4034251048), (8, 2521406905), (10, 2017125524), (20, 1008562762), (40, 504281381), (317, 63631720), (634, 31815860), (1268, 15907930), (1585, 12726344), (2536, 7953965), (3170, 6363172), (6340, 3181586), (12680, 1590793)]