5277520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1663

約数の個数: 40

約数和(自身を含む): 12577320

約数和(自身を除く): 7299800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1609, 1640, 3218, 3280, 6436, 8045, 12872, 16090, 25744, 32180, 64360, 65969, 128720, 131938, 263876, 329845, 527752, 659690, 1055504, 1319380, 2638760, 5277520]

約数ペア:

[(1, 5277520), (2, 2638760), (4, 1319380), (5, 1055504), (8, 659690), (10, 527752), (16, 329845), (20, 263876), (40, 131938), (41, 128720), (80, 65969), (82, 64360), (164, 32180), (205, 25744), (328, 16090), (410, 12872), (656, 8045), (820, 6436), (1609, 3280), (1640, 3218)]