4557940

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{653}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 9613800

約数和(自身を除く): 5055860

約数列:

[1, 2, 4, 5, 10, 20, 349, 653, 698, 1306, 1396, 1745, 2612, 3265, 3490, 6530, 6980, 13060, 227897, 455794, 911588, 1139485, 2278970, 4557940]

約数ペア:

[(1, 4557940), (2, 2278970), (4, 1139485), (5, 911588), (10, 455794), (20, 227897), (349, 13060), (653, 6980), (698, 6530), (1306, 3490), (1396, 3265), (1745, 2612)]