27257620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 63172368

約数和(自身を除く): 35914748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2557, 2665, 5114, 5330, 10228, 10660, 12785, 25570, 33241, 51140, 66482, 104837, 132964, 166205, 209674, 332410, 419348, 524185, 664820, 1048370, 1362881, 2096740, 2725762, 5451524, 6814405, 13628810, 27257620]

約数ペア:

[(1, 27257620), (2, 13628810), (4, 6814405), (5, 5451524), (10, 2725762), (13, 2096740), (20, 1362881), (26, 1048370), (41, 664820), (52, 524185), (65, 419348), (82, 332410), (130, 209674), (164, 166205), (205, 132964), (260, 104837), (410, 66482), (533, 51140), (820, 33241), (1066, 25570), (2132, 12785), (2557, 10660), (2665, 10228), (5114, 5330)]