225839440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65651}}^1$

素因数の和:65707

約数の個数: 40

約数和(自身を含む): 537295968

約数和(自身を除く): 311456528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 65651, 131302, 262604, 328255, 525208, 656510, 1050416, 1313020, 2626040, 2822993, 5252080, 5645986, 11291972, 14114965, 22583944, 28229930, 45167888, 56459860, 112919720, 225839440]

約数ペア:

[(1, 225839440), (2, 112919720), (4, 56459860), (5, 45167888), (8, 28229930), (10, 22583944), (16, 14114965), (20, 11291972), (40, 5645986), (43, 5252080), (80, 2822993), (86, 2626040), (172, 1313020), (215, 1050416), (344, 656510), (430, 525208), (688, 328255), (860, 262604), (1720, 131302), (3440, 65651)]