2000815240

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{157793}}^1$

素因数の和:158121

約数の個数: 32

約数和(自身を含む): 4516064280

約数和(自身を除く): 2515249040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 157793, 315586, 631172, 788965, 1262344, 1577930, 3155860, 6311720, 50020381, 100040762, 200081524, 250101905, 400163048, 500203810, 1000407620, 2000815240]

約数ペア:

[(1, 2000815240), (2, 1000407620), (4, 500203810), (5, 400163048), (8, 250101905), (10, 200081524), (20, 100040762), (40, 50020381), (317, 6311720), (634, 3155860), (1268, 1577930), (1585, 1262344), (2536, 788965), (3170, 631172), (6340, 315586), (12680, 157793)]