207747800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79903}}^1$

素因数の和:79932

約数の個数: 48

約数和(自身を含む): 520175040

約数和(自身を除く): 312427240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 79903, 159806, 319612, 399515, 639224, 799030, 1038739, 1598060, 1997575, 2077478, 3196120, 3995150, 4154956, 5193695, 7990300, 8309912, 10387390, 15980600, 20774780, 25968475, 41549560, 51936950, 103873900, 207747800]

約数ペア:

[(1, 207747800), (2, 103873900), (4, 51936950), (5, 41549560), (8, 25968475), (10, 20774780), (13, 15980600), (20, 10387390), (25, 8309912), (26, 7990300), (40, 5193695), (50, 4154956), (52, 3995150), (65, 3196120), (100, 2077478), (104, 1997575), (130, 1598060), (200, 1038739), (260, 799030), (325, 639224), (520, 399515), (650, 319612), (1300, 159806), (2600, 79903)]