72541960

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5479}}^1$

素因数の和:5821

約数の個数: 32

約数和(自身を含む): 163742400

約数和(自身を除く): 91200440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 5479, 6620, 10958, 13240, 21916, 27395, 43832, 54790, 109580, 219160, 1813549, 3627098, 7254196, 9067745, 14508392, 18135490, 36270980, 72541960]

約数ペア:

[(1, 72541960), (2, 36270980), (4, 18135490), (5, 14508392), (8, 9067745), (10, 7254196), (20, 3627098), (40, 1813549), (331, 219160), (662, 109580), (1324, 54790), (1655, 43832), (2648, 27395), (3310, 21916), (5479, 13240), (6620, 10958)]