47113820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 109571616

約数和(自身を除く): 62457796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 263, 265, 338, 526, 530, 676, 689, 845, 1052, 1060, 1315, 1378, 1690, 2630, 2756, 3380, 3419, 3445, 5260, 6838, 6890, 8957, 13676, 13780, 13939, 17095, 17914, 27878, 34190, 35828, 44447, 44785, 55756, 68380, 69695, 88894, 89570, 139390, 177788, 179140, 181207, 222235, 278780, 362414, 444470, 724828, 888940, 906035, 1812070, 2355691, 3624140, 4711382, 9422764, 11778455, 23556910, 47113820]

約数ペア:

[(1, 47113820), (2, 23556910), (4, 11778455), (5, 9422764), (10, 4711382), (13, 3624140), (20, 2355691), (26, 1812070), (52, 906035), (53, 888940), (65, 724828), (106, 444470), (130, 362414), (169, 278780), (212, 222235), (260, 181207), (263, 179140), (265, 177788), (338, 139390), (526, 89570), (530, 88894), (676, 69695), (689, 68380), (845, 55756), (1052, 44785), (1060, 44447), (1315, 35828), (1378, 34190), (1690, 27878), (2630, 17914), (2756, 17095), (3380, 13939), (3419, 13780), (3445, 13676), (5260, 8957), (6838, 6890)]