129646780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{59471}}^1$

素因数の和:59589

約数の個数: 24

約数和(自身を含む): 274760640

約数和(自身を除く): 145113860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 59471, 118942, 237884, 297355, 594710, 1189420, 6482339, 12964678, 25929356, 32411695, 64823390, 129646780]

約数ペア:

[(1, 129646780), (2, 64823390), (4, 32411695), (5, 25929356), (10, 12964678), (20, 6482339), (109, 1189420), (218, 594710), (436, 297355), (545, 237884), (1090, 118942), (2180, 59471)]