128218070

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{312727}}^1$

素因数の和:312775

約数の個数: 16

約数和(自身を含む): 236422368

約数和(自身を除く): 108204298

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 312727, 625454, 1563635, 3127270, 12821807, 25643614, 64109035, 128218070]

約数ペア:

[(1, 128218070), (2, 64109035), (5, 25643614), (10, 12821807), (41, 3127270), (82, 1563635), (205, 625454), (410, 312727)]