172219160

素因数分解:

$2^3\times 5^1\times {\mathrm{4305479}}^1$

素因数の和:4305490

約数の個数: 16

約数和(自身を含む): 387493200

約数和(自身を除く): 215274040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4305479, 8610958, 17221916, 21527395, 34443832, 43054790, 86109580, 172219160]

約数ペア:

[(1, 172219160), (2, 86109580), (4, 43054790), (5, 34443832), (8, 21527395), (10, 17221916), (20, 8610958), (40, 4305479)]