64670020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{140587}}^1$

素因数の和:140619

約数の個数: 24

約数和(自身を含む): 141712704

約数和(自身を除く): 77042684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 140587, 281174, 562348, 702935, 1405870, 2811740, 3233501, 6467002, 12934004, 16167505, 32335010, 64670020]

約数ペア:

[(1, 64670020), (2, 32335010), (4, 16167505), (5, 12934004), (10, 6467002), (20, 3233501), (23, 2811740), (46, 1405870), (92, 702935), (115, 562348), (230, 281174), (460, 140587)]