142258120

素因数分解:

$2^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{4519}}^1$

素因数の和:5317

約数の個数: 32

約数和(自身を含む): 320558400

約数和(自身を除く): 178300280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 787, 1574, 3148, 3935, 4519, 6296, 7870, 9038, 15740, 18076, 22595, 31480, 36152, 45190, 90380, 180760, 3556453, 7112906, 14225812, 17782265, 28451624, 35564530, 71129060, 142258120]

約数ペア:

[(1, 142258120), (2, 71129060), (4, 35564530), (5, 28451624), (8, 17782265), (10, 14225812), (20, 7112906), (40, 3556453), (787, 180760), (1574, 90380), (3148, 45190), (3935, 36152), (4519, 31480), (6296, 22595), (7870, 18076), (9038, 15740)]