8919980

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 18788112

約数和(自身を除く): 9868132

約数列:

[1, 2, 4, 5, 10, 20, 653, 683, 1306, 1366, 2612, 2732, 3265, 3415, 6530, 6830, 13060, 13660, 445999, 891998, 1783996, 2229995, 4459990, 8919980]

約数ペア:

[(1, 8919980), (2, 4459990), (4, 2229995), (5, 1783996), (10, 891998), (20, 445999), (653, 13660), (683, 13060), (1306, 6830), (1366, 6530), (2612, 3415), (2732, 3265)]