25949300

素因数分解:

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

素因数の和:19988

約数の個数: 36

約数和(自身を含む): 60644556

約数和(自身を除く): 34695256

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 19961, 39922, 79844, 99805, 199610, 259493, 399220, 499025, 518986, 998050, 1037972, 1297465, 1996100, 2594930, 5189860, 6487325, 12974650, 25949300]

約数ペア:

[(1, 25949300), (2, 12974650), (4, 6487325), (5, 5189860), (10, 2594930), (13, 1996100), (20, 1297465), (25, 1037972), (26, 998050), (50, 518986), (52, 499025), (65, 399220), (100, 259493), (130, 199610), (260, 99805), (325, 79844), (650, 39922), (1300, 19961)]