123044920

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{3793}}^1$

素因数の和:4615

約数の個数: 32

約数和(自身を含む): 277265520

約数和(自身を除く): 154220600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 3793, 4055, 6488, 7586, 8110, 15172, 16220, 18965, 30344, 32440, 37930, 75860, 151720, 3076123, 6152246, 12304492, 15380615, 24608984, 30761230, 61522460, 123044920]

約数ペア:

[(1, 123044920), (2, 61522460), (4, 30761230), (5, 24608984), (8, 15380615), (10, 12304492), (20, 6152246), (40, 3076123), (811, 151720), (1622, 75860), (3244, 37930), (3793, 32440), (4055, 30344), (6488, 18965), (7586, 16220), (8110, 15172)]