71103020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86711}}^1$

素因数の和:86761

約数の個数: 24

約数和(自身を含む): 152959968

約数和(自身を除く): 81856948

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 86711, 173422, 346844, 433555, 867110, 1734220, 3555151, 7110302, 14220604, 17775755, 35551510, 71103020]

約数ペア:

[(1, 71103020), (2, 35551510), (4, 17775755), (5, 14220604), (10, 7110302), (20, 3555151), (41, 1734220), (82, 867110), (164, 433555), (205, 346844), (410, 173422), (820, 86711)]