254742800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{48989}}^1$

素因数の和:49020

約数の個数: 60

約数和(自身を含む): 659111460

約数和(自身を除く): 404368660

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 48989, 97978, 195956, 244945, 391912, 489890, 636857, 783824, 979780, 1224725, 1273714, 1959560, 2449450, 2547428, 3184285, 3919120, 4898900, 5094856, 6368570, 9797800, 10189712, 12737140, 15921425, 19595600, 25474280, 31842850, 50948560, 63685700, 127371400, 254742800]

約数ペア:

[(1, 254742800), (2, 127371400), (4, 63685700), (5, 50948560), (8, 31842850), (10, 25474280), (13, 19595600), (16, 15921425), (20, 12737140), (25, 10189712), (26, 9797800), (40, 6368570), (50, 5094856), (52, 4898900), (65, 3919120), (80, 3184285), (100, 2547428), (104, 2449450), (130, 1959560), (200, 1273714), (208, 1224725), (260, 979780), (325, 783824), (400, 636857), (520, 489890), (650, 391912), (1040, 244945), (1300, 195956), (2600, 97978), (5200, 48989)]