66464740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{40039}}^1$

素因数の和:40131

約数の個数: 24

約数和(自身を含む): 141261120

約数和(自身を除く): 74796380

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 40039, 80078, 160156, 200195, 400390, 800780, 3323237, 6646474, 13292948, 16616185, 33232370, 66464740]

約数ペア:

[(1, 66464740), (2, 33232370), (4, 16616185), (5, 13292948), (10, 6646474), (20, 3323237), (83, 800780), (166, 400390), (332, 200195), (415, 160156), (830, 80078), (1660, 40039)]