51147160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11731}}^1$

素因数の和:11851

約数の個数: 32

約数和(自身を含む): 116146800

約数和(自身を除く): 64999640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 11731, 23462, 46924, 58655, 93848, 117310, 234620, 469240, 1278679, 2557358, 5114716, 6393395, 10229432, 12786790, 25573580, 51147160]

約数ペア:

[(1, 51147160), (2, 25573580), (4, 12786790), (5, 10229432), (8, 6393395), (10, 5114716), (20, 2557358), (40, 1278679), (109, 469240), (218, 234620), (436, 117310), (545, 93848), (872, 58655), (1090, 46924), (2180, 23462), (4360, 11731)]