254871590

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{63559}}^1$

素因数の和:63967

約数の個数: 16

約数和(自身を含む): 459920160

約数和(自身を除く): 205048570

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 63559, 127118, 317795, 635590, 25487159, 50974318, 127435795, 254871590]

約数ペア:

[(1, 254871590), (2, 127435795), (5, 50974318), (10, 25487159), (401, 635590), (802, 317795), (2005, 127118), (4010, 63559)]