28320560

素因数分解:

$2^4\times 5^1\times {\mathrm{354007}}^1$

素因数の和:354020

約数の個数: 20

約数和(自身を含む): 65845488

約数和(自身を除く): 37524928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 354007, 708014, 1416028, 1770035, 2832056, 3540070, 5664112, 7080140, 14160280, 28320560]

約数ペア:

[(1, 28320560), (2, 14160280), (4, 7080140), (5, 5664112), (8, 3540070), (10, 2832056), (16, 1770035), (20, 1416028), (40, 708014), (80, 354007)]