86974760

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5477}}^1$

素因数の和:5885

約数の個数: 32

約数和(自身を含む): 196221960

約数和(自身を除く): 109247200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 5477, 7940, 10954, 15880, 21908, 27385, 43816, 54770, 109540, 219080, 2174369, 4348738, 8697476, 10871845, 17394952, 21743690, 43487380, 86974760]

約数ペア:

[(1, 86974760), (2, 43487380), (4, 21743690), (5, 17394952), (8, 10871845), (10, 8697476), (20, 4348738), (40, 2174369), (397, 219080), (794, 109540), (1588, 54770), (1985, 43816), (3176, 27385), (3970, 21908), (5477, 15880), (7940, 10954)]