12640816805

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1010861}}^1$

素因数の和:1010968

約数の個数: 16

約数和(自身を含む): 15793707888

約数和(自身を除く): 3152891083

約数列:

[1, 5, 41, 61, 205, 305, 2501, 12505, 1010861, 5054305, 41445301, 61662521, 207226505, 308312605, 2528163361, 12640816805]

約数ペア:

[(1, 12640816805), (5, 2528163361), (41, 308312605), (61, 207226505), (205, 61662521), (305, 41445301), (2501, 5054305), (12505, 1010861)]