42049540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161729}}^1$

素因数の和:161751

約数の個数: 24

約数和(自身を含む): 95097240

約数和(自身を除く): 53047700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161729, 323458, 646916, 808645, 1617290, 2102477, 3234580, 4204954, 8409908, 10512385, 21024770, 42049540]

約数ペア:

[(1, 42049540), (2, 21024770), (4, 10512385), (5, 8409908), (10, 4204954), (13, 3234580), (20, 2102477), (26, 1617290), (52, 808645), (65, 646916), (130, 323458), (260, 161729)]