8999240

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1433}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 20391480

約数和(自身を除く): 11392240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1433, 1570, 2866, 3140, 5732, 6280, 7165, 11464, 14330, 28660, 57320, 224981, 449962, 899924, 1124905, 1799848, 2249810, 4499620, 8999240]

約数ペア:

[(1, 8999240), (2, 4499620), (4, 2249810), (5, 1799848), (8, 1124905), (10, 899924), (20, 449962), (40, 224981), (157, 57320), (314, 28660), (628, 14330), (785, 11464), (1256, 7165), (1433, 6280), (1570, 5732), (2866, 3140)]