91560820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 211026816

約数和(自身を除く): 119465996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 169, 206, 260, 263, 338, 412, 515, 526, 676, 845, 1030, 1052, 1315, 1339, 1690, 2060, 2630, 2678, 3380, 3419, 5260, 5356, 6695, 6838, 13390, 13676, 17095, 17407, 26780, 27089, 34190, 34814, 44447, 54178, 68380, 69628, 87035, 88894, 108356, 135445, 174070, 177788, 222235, 270890, 348140, 352157, 444470, 541780, 704314, 888940, 1408628, 1760785, 3521570, 4578041, 7043140, 9156082, 18312164, 22890205, 45780410, 91560820]

約数ペア:

[(1, 91560820), (2, 45780410), (4, 22890205), (5, 18312164), (10, 9156082), (13, 7043140), (20, 4578041), (26, 3521570), (52, 1760785), (65, 1408628), (103, 888940), (130, 704314), (169, 541780), (206, 444470), (260, 352157), (263, 348140), (338, 270890), (412, 222235), (515, 177788), (526, 174070), (676, 135445), (845, 108356), (1030, 88894), (1052, 87035), (1315, 69628), (1339, 68380), (1690, 54178), (2060, 44447), (2630, 34814), (2678, 34190), (3380, 27089), (3419, 26780), (5260, 17407), (5356, 17095), (6695, 13676), (6838, 13390)]