519942020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{11833}}^1$

素因数の和:11881

約数の個数: 48

約数和(自身を含む): 1182926640

約数和(自身を除く): 662984620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 8788, 10985, 11833, 21970, 23666, 43940, 47332, 59165, 118330, 153829, 236660, 307658, 615316, 769145, 1538290, 1999777, 3076580, 3999554, 7999108, 9998885, 19997770, 25997101, 39995540, 51994202, 103988404, 129985505, 259971010, 519942020]

約数ペア:

[(1, 519942020), (2, 259971010), (4, 129985505), (5, 103988404), (10, 51994202), (13, 39995540), (20, 25997101), (26, 19997770), (52, 9998885), (65, 7999108), (130, 3999554), (169, 3076580), (260, 1999777), (338, 1538290), (676, 769145), (845, 615316), (1690, 307658), (2197, 236660), (3380, 153829), (4394, 118330), (8788, 59165), (10985, 47332), (11833, 43940), (21970, 23666)]