2008260020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{36607}}^1$

素因数の和:36840

約数の個数: 48

約数和(自身を含む): 4563406848

約数和(自身を除く): 2555146828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 4220, 5486, 10972, 13715, 27430, 36607, 54860, 73214, 146428, 183035, 366070, 475891, 732140, 951782, 1903564, 2379455, 4758910, 7724077, 9517820, 15448154, 30896308, 38620385, 77240770, 100413001, 154481540, 200826002, 401652004, 502065005, 1004130010, 2008260020]

約数ペア:

[(1, 2008260020), (2, 1004130010), (4, 502065005), (5, 401652004), (10, 200826002), (13, 154481540), (20, 100413001), (26, 77240770), (52, 38620385), (65, 30896308), (130, 15448154), (211, 9517820), (260, 7724077), (422, 4758910), (844, 2379455), (1055, 1903564), (2110, 951782), (2743, 732140), (4220, 475891), (5486, 366070), (10972, 183035), (13715, 146428), (27430, 73214), (36607, 54860)]