225495440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65551}}^1$

素因数の和:65607

約数の個数: 40

約数和(自身を含む): 536477568

約数和(自身を除く): 310982128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 65551, 131102, 262204, 327755, 524408, 655510, 1048816, 1311020, 2622040, 2818693, 5244080, 5637386, 11274772, 14093465, 22549544, 28186930, 45099088, 56373860, 112747720, 225495440]

約数ペア:

[(1, 225495440), (2, 112747720), (4, 56373860), (5, 45099088), (8, 28186930), (10, 22549544), (16, 14093465), (20, 11274772), (40, 5637386), (43, 5244080), (80, 2818693), (86, 2622040), (172, 1311020), (215, 1048816), (344, 655510), (430, 524408), (688, 327755), (860, 262204), (1720, 131102), (3440, 65551)]