76817780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6871}}^1$

素因数の和:6936

約数の個数: 48

約数和(自身を含む): 177792384

約数和(自身を除く): 100974604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 6871, 11180, 13742, 27484, 34355, 68710, 89323, 137420, 178646, 295453, 357292, 446615, 590906, 893230, 1181812, 1477265, 1786460, 2954530, 3840889, 5909060, 7681778, 15363556, 19204445, 38408890, 76817780]

約数ペア:

[(1, 76817780), (2, 38408890), (4, 19204445), (5, 15363556), (10, 7681778), (13, 5909060), (20, 3840889), (26, 2954530), (43, 1786460), (52, 1477265), (65, 1181812), (86, 893230), (130, 590906), (172, 446615), (215, 357292), (260, 295453), (430, 178646), (559, 137420), (860, 89323), (1118, 68710), (2236, 34355), (2795, 27484), (5590, 13742), (6871, 11180)]