77264840

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6211}}^1$

素因数の和:6533

約数の個数: 32

約数和(自身を含む): 174432960

約数和(自身を除く): 97168120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6211, 6220, 12422, 12440, 24844, 31055, 49688, 62110, 124220, 248440, 1931621, 3863242, 7726484, 9658105, 15452968, 19316210, 38632420, 77264840]

約数ペア:

[(1, 77264840), (2, 38632420), (4, 19316210), (5, 15452968), (8, 9658105), (10, 7726484), (20, 3863242), (40, 1931621), (311, 248440), (622, 124220), (1244, 62110), (1555, 49688), (2488, 31055), (3110, 24844), (6211, 12440), (6220, 12422)]