133749620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{64927}}^1$

素因数の和:65039

約数の個数: 24

約数和(自身を含む): 283605504

約数和(自身を除く): 149855884

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 64927, 129854, 259708, 324635, 649270, 1298540, 6687481, 13374962, 26749924, 33437405, 66874810, 133749620]

約数ペア:

[(1, 133749620), (2, 66874810), (4, 33437405), (5, 26749924), (10, 13374962), (20, 6687481), (103, 1298540), (206, 649270), (412, 324635), (515, 259708), (1030, 129854), (2060, 64927)]