28279660

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{6229}}^1$

素因数の和:6465

約数の個数: 24

約数和(自身を含む): 59658480

約数和(自身を除く): 31378820

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 6229, 12458, 24916, 31145, 62290, 124580, 1413983, 2827966, 5655932, 7069915, 14139830, 28279660]

約数ペア:

[(1, 28279660), (2, 14139830), (4, 7069915), (5, 5655932), (10, 2827966), (20, 1413983), (227, 124580), (454, 62290), (908, 31145), (1135, 24916), (2270, 12458), (4540, 6229)]