54529420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3582

約数の個数: 48

約数和(自身を含む): 126717696

約数和(自身を除く): 72188276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3491, 3905, 6982, 7810, 13964, 15620, 17455, 34910, 38401, 69820, 76802, 153604, 192005, 247861, 384010, 495722, 768020, 991444, 1239305, 2478610, 2726471, 4957220, 5452942, 10905884, 13632355, 27264710, 54529420]

約数ペア:

[(1, 54529420), (2, 27264710), (4, 13632355), (5, 10905884), (10, 5452942), (11, 4957220), (20, 2726471), (22, 2478610), (44, 1239305), (55, 991444), (71, 768020), (110, 495722), (142, 384010), (220, 247861), (284, 192005), (355, 153604), (710, 76802), (781, 69820), (1420, 38401), (1562, 34910), (3124, 17455), (3491, 15620), (3905, 13964), (6982, 7810)]