26989910

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6599}}^1$

素因数の和:7015

約数の個数: 16

約数和(自身を含む): 48708000

約数和(自身を除く): 21718090

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 6599, 13198, 32995, 65990, 2698991, 5397982, 13494955, 26989910]

約数ペア:

[(1, 26989910), (2, 13494955), (5, 5397982), (10, 2698991), (409, 65990), (818, 32995), (2045, 13198), (4090, 6599)]