87210140

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{8669}}^1$

素因数の和:9181

約数の個数: 24

約数和(自身を含む): 183526560

約数和(自身を除く): 96316420

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 8669, 10060, 17338, 34676, 43345, 86690, 173380, 4360507, 8721014, 17442028, 21802535, 43605070, 87210140]

約数ペア:

[(1, 87210140), (2, 43605070), (4, 21802535), (5, 17442028), (10, 8721014), (20, 4360507), (503, 173380), (1006, 86690), (2012, 43345), (2515, 34676), (5030, 17338), (8669, 10060)]