289776640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{56597}}^1$

素因数の和:56622

約数の個数: 44

約数和(自身を含む): 695136636

約数和(自身を除く): 405359996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 56597, 113194, 226388, 282985, 452776, 565970, 905552, 1131940, 1811104, 2263880, 3622208, 4527760, 7244416, 9055520, 14488832, 18111040, 28977664, 36222080, 57955328, 72444160, 144888320, 289776640]

約数ペア:

[(1, 289776640), (2, 144888320), (4, 72444160), (5, 57955328), (8, 36222080), (10, 28977664), (16, 18111040), (20, 14488832), (32, 9055520), (40, 7244416), (64, 4527760), (80, 3622208), (128, 2263880), (160, 1811104), (256, 1131940), (320, 905552), (512, 565970), (640, 452776), (1024, 282985), (1280, 226388), (2560, 113194), (5120, 56597)]