26728390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205603}}^1$

素因数の和:205623

約数の個数: 16

約数和(自身を含む): 51812208

約数和(自身を除く): 25083818

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 205603, 411206, 1028015, 2056030, 2672839, 5345678, 13364195, 26728390]

約数ペア:

[(1, 26728390), (2, 13364195), (5, 5345678), (10, 2672839), (13, 2056030), (26, 1028015), (65, 411206), (130, 205603)]