8742140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 20321280

約数和(自身を除く): 11579140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 503, 790, 869, 1006, 1580, 1738, 2012, 2515, 3476, 4345, 5030, 5533, 8690, 10060, 11066, 17380, 22132, 27665, 39737, 55330, 79474, 110660, 158948, 198685, 397370, 437107, 794740, 874214, 1748428, 2185535, 4371070, 8742140]

約数ペア:

[(1, 8742140), (2, 4371070), (4, 2185535), (5, 1748428), (10, 874214), (11, 794740), (20, 437107), (22, 397370), (44, 198685), (55, 158948), (79, 110660), (110, 79474), (158, 55330), (220, 39737), (316, 27665), (395, 22132), (503, 17380), (790, 11066), (869, 10060), (1006, 8690), (1580, 5533), (1738, 5030), (2012, 4345), (2515, 3476)]