85871750

素因数分解:

$2^1\times 5^3\times {\mathrm{389}}^1\times {\mathrm{883}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 161347680

約数和(自身を除く): 75475930

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 389, 778, 883, 1766, 1945, 3890, 4415, 8830, 9725, 19450, 22075, 44150, 48625, 97250, 110375, 220750, 343487, 686974, 1717435, 3434870, 8587175, 17174350, 42935875, 85871750]

約数ペア:

[(1, 85871750), (2, 42935875), (5, 17174350), (10, 8587175), (25, 3434870), (50, 1717435), (125, 686974), (250, 343487), (389, 220750), (778, 110375), (883, 97250), (1766, 48625), (1945, 44150), (3890, 22075), (4415, 19450), (8830, 9725)]