84664520

素因数分解:

$2^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{2221}}^1$

素因数の和:3185

約数の個数: 32

約数和(自身を含む): 190780920

約数和(自身を除く): 106116400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 953, 1906, 2221, 3812, 4442, 4765, 7624, 8884, 9530, 11105, 17768, 19060, 22210, 38120, 44420, 88840, 2116613, 4233226, 8466452, 10583065, 16932904, 21166130, 42332260, 84664520]

約数ペア:

[(1, 84664520), (2, 42332260), (4, 21166130), (5, 16932904), (8, 10583065), (10, 8466452), (20, 4233226), (40, 2116613), (953, 88840), (1906, 44420), (2221, 38120), (3812, 22210), (4442, 19060), (4765, 17768), (7624, 11105), (8884, 9530)]