28310020

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7411}}^1$

素因数の和:7611

約数の個数: 24

約数和(自身を含む): 59770368

約数和(自身を除く): 31460348

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 7411, 14822, 29644, 37055, 74110, 148220, 1415501, 2831002, 5662004, 7077505, 14155010, 28310020]

約数ペア:

[(1, 28310020), (2, 14155010), (4, 7077505), (5, 5662004), (10, 2831002), (20, 1415501), (191, 148220), (382, 74110), (764, 37055), (955, 29644), (1910, 14822), (3820, 7411)]