12851540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49429}}^1$

素因数の和:49451

約数の個数: 24

約数和(自身を含む): 29064840

約数和(自身を除く): 16213300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49429, 98858, 197716, 247145, 494290, 642577, 988580, 1285154, 2570308, 3212885, 6425770, 12851540]

約数ペア:

[(1, 12851540), (2, 6425770), (4, 3212885), (5, 2570308), (10, 1285154), (13, 988580), (20, 642577), (26, 494290), (52, 247145), (65, 197716), (130, 98858), (260, 49429)]