51761580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66361}}^1$

素因数の和:66386

約数の個数: 48

約数和(自身を含む): 156083424

約数和(自身を除く): 104321844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66361, 132722, 199083, 265444, 331805, 398166, 663610, 796332, 862693, 995415, 1327220, 1725386, 1990830, 2588079, 3450772, 3981660, 4313465, 5176158, 8626930, 10352316, 12940395, 17253860, 25880790, 51761580]

約数ペア:

[(1, 51761580), (2, 25880790), (3, 17253860), (4, 12940395), (5, 10352316), (6, 8626930), (10, 5176158), (12, 4313465), (13, 3981660), (15, 3450772), (20, 2588079), (26, 1990830), (30, 1725386), (39, 1327220), (52, 995415), (60, 862693), (65, 796332), (78, 663610), (130, 398166), (156, 331805), (195, 265444), (260, 199083), (390, 132722), (780, 66361)]