72573220

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{7129}}^1$

素因数の和:7647

約数の個数: 24

約数和(自身を含む): 152724600

約数和(自身を除く): 80151380

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 7129, 10180, 14258, 28516, 35645, 71290, 142580, 3628661, 7257322, 14514644, 18143305, 36286610, 72573220]

約数ペア:

[(1, 72573220), (2, 36286610), (4, 18143305), (5, 14514644), (10, 7257322), (20, 3628661), (509, 142580), (1018, 71290), (2036, 35645), (2545, 28516), (5090, 14258), (7129, 10180)]