54991640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{124981}}^1$

素因数の和:125003

約数の個数: 32

約数和(自身を含む): 134980560

約数和(自身を除く): 79988920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 124981, 249962, 499924, 624905, 999848, 1249810, 1374791, 2499620, 2749582, 4999240, 5499164, 6873955, 10998328, 13747910, 27495820, 54991640]

約数ペア:

[(1, 54991640), (2, 27495820), (4, 13747910), (5, 10998328), (8, 6873955), (10, 5499164), (11, 4999240), (20, 2749582), (22, 2499620), (40, 1374791), (44, 1249810), (55, 999848), (88, 624905), (110, 499924), (220, 249962), (440, 124981)]