199232020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{766277}}^1$

素因数の和:766299

約数の個数: 24

約数和(自身を含む): 450571464

約数和(自身を除く): 251339444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 766277, 1532554, 3065108, 3831385, 7662770, 9961601, 15325540, 19923202, 39846404, 49808005, 99616010, 199232020]

約数ペア:

[(1, 199232020), (2, 99616010), (4, 49808005), (5, 39846404), (10, 19923202), (13, 15325540), (20, 9961601), (26, 7662770), (52, 3831385), (65, 3065108), (130, 1532554), (260, 766277)]