25742600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9930

約数の個数: 48

約数和(自身を含む): 64462020

約数和(自身を除く): 38719420

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, 9901, 19802, 39604, 49505, 79208, 99010, 128713, 198020, 247525, 257426, 396040, 495050, 514852, 643565, 990100, 1029704, 1287130, 1980200, 2574260, 3217825, 5148520, 6435650, 12871300, 25742600]

約数ペア:

[(1, 25742600), (2, 12871300), (4, 6435650), (5, 5148520), (8, 3217825), (10, 2574260), (13, 1980200), (20, 1287130), (25, 1029704), (26, 990100), (40, 643565), (50, 514852), (52, 495050), (65, 396040), (100, 257426), (104, 247525), (130, 198020), (200, 128713), (260, 99010), (325, 79208), (520, 49505), (650, 39604), (1300, 19802), (2600, 9901)]