51898600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:19990

約数の個数: 48

約数和(自身を含む): 129952620

約数和(自身を除く): 78054020

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, 19961, 39922, 79844, 99805, 159688, 199610, 259493, 399220, 499025, 518986, 798440, 998050, 1037972, 1297465, 1996100, 2075944, 2594930, 3992200, 5189860, 6487325, 10379720, 12974650, 25949300, 51898600]

約数ペア:

[(1, 51898600), (2, 25949300), (4, 12974650), (5, 10379720), (8, 6487325), (10, 5189860), (13, 3992200), (20, 2594930), (25, 2075944), (26, 1996100), (40, 1297465), (50, 1037972), (52, 998050), (65, 798440), (100, 518986), (104, 499025), (130, 399220), (200, 259493), (260, 199610), (325, 159688), (520, 99805), (650, 79844), (1300, 39922), (2600, 19961)]