259558400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{10139}}^1$

素因数の和:10169

約数の個数: 66

約数和(自身を含む): 643453980

約数和(自身を除く): 383895580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 5120, 6400, 10139, 12800, 20278, 25600, 40556, 50695, 81112, 101390, 162224, 202780, 253475, 324448, 405560, 506950, 648896, 811120, 1013900, 1297792, 1622240, 2027800, 2595584, 3244480, 4055600, 5191168, 6488960, 8111200, 10382336, 12977920, 16222400, 25955840, 32444800, 51911680, 64889600, 129779200, 259558400]

約数ペア:

[(1, 259558400), (2, 129779200), (4, 64889600), (5, 51911680), (8, 32444800), (10, 25955840), (16, 16222400), (20, 12977920), (25, 10382336), (32, 8111200), (40, 6488960), (50, 5191168), (64, 4055600), (80, 3244480), (100, 2595584), (128, 2027800), (160, 1622240), (200, 1297792), (256, 1013900), (320, 811120), (400, 648896), (512, 506950), (640, 405560), (800, 324448), (1024, 253475), (1280, 202780), (1600, 162224), (2560, 101390), (3200, 81112), (5120, 50695), (6400, 40556), (10139, 25600), (12800, 20278)]