204650240

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1583}}^1$

素因数の和:1705

約数の個数: 72

約数和(自身を含む): 495367488

約数和(自身を除く): 290717248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 404, 505, 640, 808, 1010, 1280, 1583, 1616, 2020, 3166, 3232, 4040, 6332, 6464, 7915, 8080, 12664, 12928, 15830, 16160, 25328, 25856, 31660, 32320, 50656, 63320, 64640, 101312, 126640, 129280, 159883, 202624, 253280, 319766, 405248, 506560, 639532, 799415, 1013120, 1279064, 1598830, 2026240, 2558128, 3197660, 5116256, 6395320, 10232512, 12790640, 20465024, 25581280, 40930048, 51162560, 102325120, 204650240]

約数ペア:

[(1, 204650240), (2, 102325120), (4, 51162560), (5, 40930048), (8, 25581280), (10, 20465024), (16, 12790640), (20, 10232512), (32, 6395320), (40, 5116256), (64, 3197660), (80, 2558128), (101, 2026240), (128, 1598830), (160, 1279064), (202, 1013120), (256, 799415), (320, 639532), (404, 506560), (505, 405248), (640, 319766), (808, 253280), (1010, 202624), (1280, 159883), (1583, 129280), (1616, 126640), (2020, 101312), (3166, 64640), (3232, 63320), (4040, 50656), (6332, 32320), (6464, 31660), (7915, 25856), (8080, 25328), (12664, 16160), (12928, 15830)]