56426540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 121927680

約数和(自身を除く): 65501140

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 503, 710, 790, 1006, 1420, 1580, 2012, 2515, 5030, 5609, 10060, 11218, 22436, 28045, 35713, 39737, 56090, 71426, 79474, 112180, 142852, 158948, 178565, 198685, 357130, 397370, 714260, 794740, 2821327, 5642654, 11285308, 14106635, 28213270, 56426540]

約数ペア:

[(1, 56426540), (2, 28213270), (4, 14106635), (5, 11285308), (10, 5642654), (20, 2821327), (71, 794740), (79, 714260), (142, 397370), (158, 357130), (284, 198685), (316, 178565), (355, 158948), (395, 142852), (503, 112180), (710, 79474), (790, 71426), (1006, 56090), (1420, 39737), (1580, 35713), (2012, 28045), (2515, 22436), (5030, 11218), (5609, 10060)]