86807980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26959}}^1$

素因数の和:26998

約数の個数: 48

約数和(自身を含む): 217405440

約数和(自身を除く): 130597460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 26959, 53918, 107836, 134795, 188713, 269590, 377426, 539180, 620057, 754852, 943565, 1240114, 1887130, 2480228, 3100285, 3774260, 4340399, 6200570, 8680798, 12401140, 17361596, 21701995, 43403990, 86807980]

約数ペア:

[(1, 86807980), (2, 43403990), (4, 21701995), (5, 17361596), (7, 12401140), (10, 8680798), (14, 6200570), (20, 4340399), (23, 3774260), (28, 3100285), (35, 2480228), (46, 1887130), (70, 1240114), (92, 943565), (115, 754852), (140, 620057), (161, 539180), (230, 377426), (322, 269590), (460, 188713), (644, 134795), (805, 107836), (1610, 53918), (3220, 26959)]