130220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 290304

約数和(自身を除く): 160084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 383, 766, 1532, 1915, 3830, 6511, 7660, 13022, 26044, 32555, 65110, 130220]

約数ペア:

[(1, 130220), (2, 65110), (4, 32555), (5, 26044), (10, 13022), (17, 7660), (20, 6511), (34, 3830), (68, 1915), (85, 1532), (170, 766), (340, 383)]