8171780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3119}}^1$

素因数の和:3259

約数の個数: 24

約数和(自身を含む): 17297280

約数和(自身を除く): 9125500

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 3119, 6238, 12476, 15595, 31190, 62380, 408589, 817178, 1634356, 2042945, 4085890, 8171780]

約数ペア:

[(1, 8171780), (2, 4085890), (4, 2042945), (5, 1634356), (10, 817178), (20, 408589), (131, 62380), (262, 31190), (524, 15595), (655, 12476), (1310, 6238), (2620, 3119)]