66116140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39829}}^1$

素因数の和:39921

約数の個数: 24

約数和(自身を含む): 140520240

約数和(自身を除く): 74404100

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 39829, 79658, 159316, 199145, 398290, 796580, 3305807, 6611614, 13223228, 16529035, 33058070, 66116140]

約数ペア:

[(1, 66116140), (2, 33058070), (4, 16529035), (5, 13223228), (10, 6611614), (20, 3305807), (83, 796580), (166, 398290), (332, 199145), (415, 159316), (830, 79658), (1660, 39829)]