89877940

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{39769}}^1$

素因数の和:39891

約数の個数: 24

約数和(自身を含む): 190418760

約数和(自身を除く): 100540820

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 39769, 79538, 159076, 198845, 397690, 795380, 4493897, 8987794, 17975588, 22469485, 44938970, 89877940]

約数ペア:

[(1, 89877940), (2, 44938970), (4, 22469485), (5, 17975588), (10, 8987794), (20, 4493897), (113, 795380), (226, 397690), (452, 198845), (565, 159076), (1130, 79538), (2260, 39769)]