27998020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73679}}^1$

素因数の和:73707

約数の個数: 24

約数和(自身を含む): 61891200

約数和(自身を除く): 33893180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 73679, 147358, 294716, 368395, 736790, 1399901, 1473580, 2799802, 5599604, 6999505, 13999010, 27998020]

約数ペア:

[(1, 27998020), (2, 13999010), (4, 6999505), (5, 5599604), (10, 2799802), (19, 1473580), (20, 1399901), (38, 736790), (76, 368395), (95, 294716), (190, 147358), (380, 73679)]