68995420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1009}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 156784320

約数和(自身を除く): 87788900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1009, 1052, 1315, 2018, 2630, 3419, 4036, 5045, 5260, 6838, 10090, 13117, 13676, 17095, 20180, 26234, 34190, 52468, 65585, 68380, 131170, 262340, 265367, 530734, 1061468, 1326835, 2653670, 3449771, 5307340, 6899542, 13799084, 17248855, 34497710, 68995420]

約数ペア:

[(1, 68995420), (2, 34497710), (4, 17248855), (5, 13799084), (10, 6899542), (13, 5307340), (20, 3449771), (26, 2653670), (52, 1326835), (65, 1061468), (130, 530734), (260, 265367), (263, 262340), (526, 131170), (1009, 68380), (1052, 65585), (1315, 52468), (2018, 34190), (2630, 26234), (3419, 20180), (4036, 17095), (5045, 13676), (5260, 13117), (6838, 10090)]