27420380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 62403264

約数和(自身を除く): 34982884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 401, 526, 802, 1052, 1315, 1604, 2005, 2630, 3419, 4010, 5213, 5260, 6838, 8020, 10426, 13676, 17095, 20852, 26065, 34190, 52130, 68380, 104260, 105463, 210926, 421852, 527315, 1054630, 1371019, 2109260, 2742038, 5484076, 6855095, 13710190, 27420380]

約数ペア:

[(1, 27420380), (2, 13710190), (4, 6855095), (5, 5484076), (10, 2742038), (13, 2109260), (20, 1371019), (26, 1054630), (52, 527315), (65, 421852), (130, 210926), (260, 105463), (263, 104260), (401, 68380), (526, 52130), (802, 34190), (1052, 26065), (1315, 20852), (1604, 17095), (2005, 13676), (2630, 10426), (3419, 8020), (4010, 6838), (5213, 5260)]