15954380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61363}}^1$

素因数の和:61385

約数の個数: 24

約数和(自身を含む): 36082032

約数和(自身を除く): 20127652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 61363, 122726, 245452, 306815, 613630, 797719, 1227260, 1595438, 3190876, 3988595, 7977190, 15954380]

約数ペア:

[(1, 15954380), (2, 7977190), (4, 3988595), (5, 3190876), (10, 1595438), (13, 1227260), (20, 797719), (26, 613630), (52, 306815), (65, 245452), (130, 122726), (260, 61363)]