239367640

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{11897}}^1$

素因数の和:12411

約数の個数: 32

約数和(自身を含む): 539693280

約数和(自身を除く): 300325640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 11897, 20120, 23794, 47588, 59485, 95176, 118970, 237940, 475880, 5984191, 11968382, 23936764, 29920955, 47873528, 59841910, 119683820, 239367640]

約数ペア:

[(1, 239367640), (2, 119683820), (4, 59841910), (5, 47873528), (8, 29920955), (10, 23936764), (20, 11968382), (40, 5984191), (503, 475880), (1006, 237940), (2012, 118970), (2515, 95176), (4024, 59485), (5030, 47588), (10060, 23794), (11897, 20120)]