65670020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19429}}^1$

素因数の和:19464

約数の個数: 36

約数和(自身を含む): 149338980

約数和(自身を除く): 83668960

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 19429, 38858, 77716, 97145, 194290, 252577, 388580, 505154, 1010308, 1262885, 2525770, 3283501, 5051540, 6567002, 13134004, 16417505, 32835010, 65670020]

約数ペア:

[(1, 65670020), (2, 32835010), (4, 16417505), (5, 13134004), (10, 6567002), (13, 5051540), (20, 3283501), (26, 2525770), (52, 1262885), (65, 1010308), (130, 505154), (169, 388580), (260, 252577), (338, 194290), (676, 97145), (845, 77716), (1690, 38858), (3380, 19429)]