85864220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{330247}}^1$

素因数の和:330269

約数の個数: 24

約数和(自身を含む): 194185824

約数和(自身を除く): 108321604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 330247, 660494, 1320988, 1651235, 3302470, 4293211, 6604940, 8586422, 17172844, 21466055, 42932110, 85864220]

約数ペア:

[(1, 85864220), (2, 42932110), (4, 21466055), (5, 17172844), (10, 8586422), (13, 6604940), (20, 4293211), (26, 3302470), (52, 1651235), (65, 1320988), (130, 660494), (260, 330247)]