15889940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72227}}^1$

素因数の和:72247

約数の個数: 24

約数和(自身を含む): 36402912

約数和(自身を除く): 20512972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72227, 144454, 288908, 361135, 722270, 794497, 1444540, 1588994, 3177988, 3972485, 7944970, 15889940]

約数ペア:

[(1, 15889940), (2, 7944970), (4, 3972485), (5, 3177988), (10, 1588994), (11, 1444540), (20, 794497), (22, 722270), (44, 361135), (55, 288908), (110, 144454), (220, 72227)]