8564740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 19248768

約数和(自身を除く): 10684028

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 433, 460, 860, 866, 989, 1732, 1978, 2165, 3956, 4330, 4945, 8660, 9890, 9959, 18619, 19780, 19918, 37238, 39836, 49795, 74476, 93095, 99590, 186190, 199180, 372380, 428237, 856474, 1712948, 2141185, 4282370, 8564740]

約数ペア:

[(1, 8564740), (2, 4282370), (4, 2141185), (5, 1712948), (10, 856474), (20, 428237), (23, 372380), (43, 199180), (46, 186190), (86, 99590), (92, 93095), (115, 74476), (172, 49795), (215, 39836), (230, 37238), (430, 19918), (433, 19780), (460, 18619), (860, 9959), (866, 9890), (989, 8660), (1732, 4945), (1978, 4330), (2165, 3956)]