51801220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{136319}}^1$

素因数の和:136347

約数の個数: 24

約数和(自身を含む): 114508800

約数和(自身を除く): 62707580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 136319, 272638, 545276, 681595, 1363190, 2590061, 2726380, 5180122, 10360244, 12950305, 25900610, 51801220]

約数ペア:

[(1, 51801220), (2, 25900610), (4, 12950305), (5, 10360244), (10, 5180122), (19, 2726380), (20, 2590061), (38, 1363190), (76, 681595), (95, 545276), (190, 272638), (380, 136319)]