51952420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{947}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 118173888

約数和(自身を除く): 66221468

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 947, 1055, 1894, 2110, 2743, 3788, 4220, 4735, 5486, 9470, 10972, 12311, 13715, 18940, 24622, 27430, 49244, 54860, 61555, 123110, 199817, 246220, 399634, 799268, 999085, 1998170, 2597621, 3996340, 5195242, 10390484, 12988105, 25976210, 51952420]

約数ペア:

[(1, 51952420), (2, 25976210), (4, 12988105), (5, 10390484), (10, 5195242), (13, 3996340), (20, 2597621), (26, 1998170), (52, 999085), (65, 799268), (130, 399634), (211, 246220), (260, 199817), (422, 123110), (844, 61555), (947, 54860), (1055, 49244), (1894, 27430), (2110, 24622), (2743, 18940), (3788, 13715), (4220, 12311), (4735, 10972), (5486, 9470)]