2021495450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{39367}}^1$

素因数の和:39471

約数の個数: 48

約数和(自身を含む): 4100570880

約数和(自身を除く): 2079075430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 325, 395, 650, 790, 1027, 1975, 2054, 3950, 5135, 10270, 25675, 39367, 51350, 78734, 196835, 393670, 511771, 984175, 1023542, 1968350, 2558855, 3109993, 5117710, 6219986, 12794275, 15549965, 25588550, 31099930, 40429909, 77749825, 80859818, 155499650, 202149545, 404299090, 1010747725, 2021495450]

約数ペア:

[(1, 2021495450), (2, 1010747725), (5, 404299090), (10, 202149545), (13, 155499650), (25, 80859818), (26, 77749825), (50, 40429909), (65, 31099930), (79, 25588550), (130, 15549965), (158, 12794275), (325, 6219986), (395, 5117710), (650, 3109993), (790, 2558855), (1027, 1968350), (1975, 1023542), (2054, 984175), (3950, 511771), (5135, 393670), (10270, 196835), (25675, 78734), (39367, 51350)]