78255280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9497}}^1$

素因数の和:9613

約数の個数: 40

約数和(自身を含む): 183729312

約数和(自身を除く): 105474032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 9497, 18994, 37988, 47485, 75976, 94970, 151952, 189940, 379880, 759760, 978191, 1956382, 3912764, 4890955, 7825528, 9781910, 15651056, 19563820, 39127640, 78255280]

約数ペア:

[(1, 78255280), (2, 39127640), (4, 19563820), (5, 15651056), (8, 9781910), (10, 7825528), (16, 4890955), (20, 3912764), (40, 1956382), (80, 978191), (103, 759760), (206, 379880), (412, 189940), (515, 151952), (824, 94970), (1030, 75976), (1648, 47485), (2060, 37988), (4120, 18994), (8240, 9497)]