130039720

素因数分解:

$2^3\times 5^1\times {\mathrm{3250993}}^1$

素因数の和:3251004

約数の個数: 16

約数和(自身を含む): 292589460

約数和(自身を除く): 162549740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3250993, 6501986, 13003972, 16254965, 26007944, 32509930, 65019860, 130039720]

約数ペア:

[(1, 130039720), (2, 65019860), (4, 32509930), (5, 26007944), (8, 16254965), (10, 13003972), (20, 6501986), (40, 3250993)]