25346560

素因数分解:

$2^9\times 5^1\times {\mathrm{9901}}^1$

素因数の和:9924

約数の個数: 40

約数和(自身を含む): 60778476

約数和(自身を除く): 35431916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 9901, 19802, 39604, 49505, 79208, 99010, 158416, 198020, 316832, 396040, 633664, 792080, 1267328, 1584160, 2534656, 3168320, 5069312, 6336640, 12673280, 25346560]

約数ペア:

[(1, 25346560), (2, 12673280), (4, 6336640), (5, 5069312), (8, 3168320), (10, 2534656), (16, 1584160), (20, 1267328), (32, 792080), (40, 633664), (64, 396040), (80, 316832), (128, 198020), (160, 158416), (256, 99010), (320, 79208), (512, 49505), (640, 39604), (1280, 19802), (2560, 9901)]