66011720

素因数分解:

$2^3\times 5^1\times {\mathrm{1650293}}^1$

素因数の和:1650304

約数の個数: 16

約数和(自身を含む): 148526460

約数和(自身を除く): 82514740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1650293, 3300586, 6601172, 8251465, 13202344, 16502930, 33005860, 66011720]

約数ペア:

[(1, 66011720), (2, 33005860), (4, 16502930), (5, 13202344), (8, 8251465), (10, 6601172), (20, 3300586), (40, 1650293)]