4650872020

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{417493}}^1$

素因数の和:418059

約数の個数: 24

約数和(自身を含む): 9784389384

約数和(自身を除く): 5133517364

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 417493, 834986, 1669972, 2087465, 4174930, 8349860, 232543601, 465087202, 930174404, 1162718005, 2325436010, 4650872020]

約数ペア:

[(1, 4650872020), (2, 2325436010), (4, 1162718005), (5, 930174404), (10, 465087202), (20, 232543601), (557, 8349860), (1114, 4174930), (2228, 2087465), (2785, 1669972), (5570, 834986), (11140, 417493)]