245382020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{943777}}^1$

素因数の和:943799

約数の個数: 24

約数和(自身を含む): 554941464

約数和(自身を除く): 309559444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 943777, 1887554, 3775108, 4718885, 9437770, 12269101, 18875540, 24538202, 49076404, 61345505, 122691010, 245382020]

約数ペア:

[(1, 245382020), (2, 122691010), (4, 61345505), (5, 49076404), (10, 24538202), (13, 18875540), (20, 12269101), (26, 9437770), (52, 4718885), (65, 3775108), (130, 1887554), (260, 943777)]