201617560

素因数分解:

$2^3\times 5^1\times {\mathrm{5040439}}^1$

素因数の和:5040450

約数の個数: 16

約数和(自身を含む): 453639600

約数和(自身を除く): 252022040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040439, 10080878, 20161756, 25202195, 40323512, 50404390, 100808780, 201617560]

約数ペア:

[(1, 201617560), (2, 100808780), (4, 50404390), (5, 40323512), (8, 25202195), (10, 20161756), (20, 10080878), (40, 5040439)]