51431900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39563}}^1$

素因数の和:39590

約数の個数: 36

約数和(自身を含む): 120195432

約数和(自身を除く): 68763532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 39563, 79126, 158252, 197815, 395630, 514319, 791260, 989075, 1028638, 1978150, 2057276, 2571595, 3956300, 5143190, 10286380, 12857975, 25715950, 51431900]

約数ペア:

[(1, 51431900), (2, 25715950), (4, 12857975), (5, 10286380), (10, 5143190), (13, 3956300), (20, 2571595), (25, 2057276), (26, 1978150), (50, 1028638), (52, 989075), (65, 791260), (100, 514319), (130, 395630), (260, 197815), (325, 158252), (650, 79126), (1300, 39563)]