80667665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18523}}^1$

素因数の和:18608

約数の個数: 16

約数和(自身を含む): 105809088

約数和(自身を除く): 25141423

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 18523, 92615, 240799, 1203995, 1241041, 6205205, 16133533, 80667665]

約数ペア:

[(1, 80667665), (5, 16133533), (13, 6205205), (65, 1241041), (67, 1203995), (335, 240799), (871, 92615), (4355, 18523)]