66784180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3089}}^1$

素因数の和:3168

約数の個数: 48

約数和(自身を含む): 149506560

約数和(自身を除く): 82722380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 2162, 3089, 4324, 5405, 6178, 10810, 12356, 15445, 21620, 30890, 61780, 71047, 142094, 145183, 284188, 290366, 355235, 580732, 710470, 725915, 1420940, 1451830, 2903660, 3339209, 6678418, 13356836, 16696045, 33392090, 66784180]

約数ペア:

[(1, 66784180), (2, 33392090), (4, 16696045), (5, 13356836), (10, 6678418), (20, 3339209), (23, 2903660), (46, 1451830), (47, 1420940), (92, 725915), (94, 710470), (115, 580732), (188, 355235), (230, 290366), (235, 284188), (460, 145183), (470, 142094), (940, 71047), (1081, 61780), (2162, 30890), (3089, 21620), (4324, 15445), (5405, 12356), (6178, 10810)]