51262900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:913

約数の個数: 72

約数和(自身を含む): 122492160

約数和(自身を除く): 71229260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 235, 260, 325, 470, 611, 650, 839, 940, 1175, 1222, 1300, 1678, 2350, 2444, 3055, 3356, 4195, 4700, 6110, 8390, 10907, 12220, 15275, 16780, 20975, 21814, 30550, 39433, 41950, 43628, 54535, 61100, 78866, 83900, 109070, 157732, 197165, 218140, 272675, 394330, 512629, 545350, 788660, 985825, 1025258, 1090700, 1971650, 2050516, 2563145, 3943300, 5126290, 10252580, 12815725, 25631450, 51262900]

約数ペア:

[(1, 51262900), (2, 25631450), (4, 12815725), (5, 10252580), (10, 5126290), (13, 3943300), (20, 2563145), (25, 2050516), (26, 1971650), (47, 1090700), (50, 1025258), (52, 985825), (65, 788660), (94, 545350), (100, 512629), (130, 394330), (188, 272675), (235, 218140), (260, 197165), (325, 157732), (470, 109070), (611, 83900), (650, 78866), (839, 61100), (940, 54535), (1175, 43628), (1222, 41950), (1300, 39433), (1678, 30550), (2350, 21814), (2444, 20975), (3055, 16780), (3356, 15275), (4195, 12220), (4700, 10907), (6110, 8390)]