12715520

素因数分解:

$2^9\times 5^1\times {\mathrm{4967}}^1$

素因数の和:4990

約数の個数: 40

約数和(自身を含む): 30493584

約数和(自身を除く): 17778064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 4967, 9934, 19868, 24835, 39736, 49670, 79472, 99340, 158944, 198680, 317888, 397360, 635776, 794720, 1271552, 1589440, 2543104, 3178880, 6357760, 12715520]

約数ペア:

[(1, 12715520), (2, 6357760), (4, 3178880), (5, 2543104), (8, 1589440), (10, 1271552), (16, 794720), (20, 635776), (32, 397360), (40, 317888), (64, 198680), (80, 158944), (128, 99340), (160, 79472), (256, 49670), (320, 39736), (512, 24835), (640, 19868), (1280, 9934), (2560, 4967)]