42981640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82657}}^1$

素因数の和:82681

約数の個数: 32

約数和(自身を含む): 104149080

約数和(自身を除く): 61167440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 82657, 165314, 330628, 413285, 661256, 826570, 1074541, 1653140, 2149082, 3306280, 4298164, 5372705, 8596328, 10745410, 21490820, 42981640]

約数ペア:

[(1, 42981640), (2, 21490820), (4, 10745410), (5, 8596328), (8, 5372705), (10, 4298164), (13, 3306280), (20, 2149082), (26, 1653140), (40, 1074541), (52, 826570), (65, 661256), (104, 413285), (130, 330628), (260, 165314), (520, 82657)]