13680475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 18123840

約数和(自身を除く): 4443365

約数列:

[1, 5, 19, 25, 83, 95, 347, 415, 475, 1577, 1735, 2075, 6593, 7885, 8675, 28801, 32965, 39425, 144005, 164825, 547219, 720025, 2736095, 13680475]

約数ペア:

[(1, 13680475), (5, 2736095), (19, 720025), (25, 547219), (83, 164825), (95, 144005), (347, 39425), (415, 32965), (475, 28801), (1577, 8675), (1735, 7885), (2075, 6593)]