10108020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12959}}^1$

素因数の和:12984

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 20373900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 12959, 25918, 38877, 51836, 64795, 77754, 129590, 155508, 168467, 194385, 259180, 336934, 388770, 505401, 673868, 777540, 842335, 1010802, 1684670, 2021604, 2527005, 3369340, 5054010, 10108020]

約数ペア:

[(1, 10108020), (2, 5054010), (3, 3369340), (4, 2527005), (5, 2021604), (6, 1684670), (10, 1010802), (12, 842335), (13, 777540), (15, 673868), (20, 505401), (26, 388770), (30, 336934), (39, 259180), (52, 194385), (60, 168467), (65, 155508), (78, 129590), (130, 77754), (156, 64795), (195, 51836), (260, 38877), (390, 25918), (780, 12959)]