53495440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15551}}^1$

素因数の和:15607

約数の個数: 40

約数和(自身を含む): 127277568

約数和(自身を除く): 73782128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 15551, 31102, 62204, 77755, 124408, 155510, 248816, 311020, 622040, 668693, 1244080, 1337386, 2674772, 3343465, 5349544, 6686930, 10699088, 13373860, 26747720, 53495440]

約数ペア:

[(1, 53495440), (2, 26747720), (4, 13373860), (5, 10699088), (8, 6686930), (10, 5349544), (16, 3343465), (20, 2674772), (40, 1337386), (43, 1244080), (80, 668693), (86, 622040), (172, 311020), (215, 248816), (344, 155510), (430, 124408), (688, 77755), (860, 62204), (1720, 31102), (3440, 15551)]