48281540

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 104049792

約数和(自身を除く): 55768252

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 137, 263, 268, 274, 335, 526, 548, 670, 685, 1052, 1315, 1340, 1370, 2630, 2740, 5260, 9179, 17621, 18358, 35242, 36031, 36716, 45895, 70484, 72062, 88105, 91790, 144124, 176210, 180155, 183580, 352420, 360310, 720620, 2414077, 4828154, 9656308, 12070385, 24140770, 48281540]

約数ペア:

[(1, 48281540), (2, 24140770), (4, 12070385), (5, 9656308), (10, 4828154), (20, 2414077), (67, 720620), (134, 360310), (137, 352420), (263, 183580), (268, 180155), (274, 176210), (335, 144124), (526, 91790), (548, 88105), (670, 72062), (685, 70484), (1052, 45895), (1315, 36716), (1340, 36031), (1370, 35242), (2630, 18358), (2740, 17621), (5260, 9179)]