82809560

素因数分解:

$2^3\times 5^1\times {\mathrm{2070239}}^1$

素因数の和:2070250

約数の個数: 16

約数和(自身を含む): 186321600

約数和(自身を除く): 103512040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2070239, 4140478, 8280956, 10351195, 16561912, 20702390, 41404780, 82809560]

約数ペア:

[(1, 82809560), (2, 41404780), (4, 20702390), (5, 16561912), (8, 10351195), (10, 8280956), (20, 4140478), (40, 2070239)]