638231680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58661}}^1$

素因数の和:58697

約数の個数: 64

約数和(自身を含む): 1615551480

約数和(自身を除く): 977319800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 58661, 117322, 234644, 293305, 469288, 586610, 938576, 997237, 1173220, 1877152, 1994474, 2346440, 3754304, 3988948, 4692880, 4986185, 7508608, 7977896, 9385760, 9972370, 15955792, 18771520, 19944740, 31911584, 37543040, 39889480, 63823168, 79778960, 127646336, 159557920, 319115840, 638231680]

約数ペア:

[(1, 638231680), (2, 319115840), (4, 159557920), (5, 127646336), (8, 79778960), (10, 63823168), (16, 39889480), (17, 37543040), (20, 31911584), (32, 19944740), (34, 18771520), (40, 15955792), (64, 9972370), (68, 9385760), (80, 7977896), (85, 7508608), (128, 4986185), (136, 4692880), (160, 3988948), (170, 3754304), (272, 2346440), (320, 1994474), (340, 1877152), (544, 1173220), (640, 997237), (680, 938576), (1088, 586610), (1360, 469288), (2176, 293305), (2720, 234644), (5440, 117322), (10880, 58661)]