9181640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17657}}^1$

素因数の和:17681

約数の個数: 32

約数和(自身を含む): 22249080

約数和(自身を除く): 13067440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 17657, 35314, 70628, 88285, 141256, 176570, 229541, 353140, 459082, 706280, 918164, 1147705, 1836328, 2295410, 4590820, 9181640]

約数ペア:

[(1, 9181640), (2, 4590820), (4, 2295410), (5, 1836328), (8, 1147705), (10, 918164), (13, 706280), (20, 459082), (26, 353140), (40, 229541), (52, 176570), (65, 141256), (104, 88285), (130, 70628), (260, 35314), (520, 17657)]