55111280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{827}}^1$

素因数の和:871

約数の個数: 120

約数和(自身を含む): 158012208

約数和(自身を除く): 102900928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 827, 833, 952, 980, 1190, 1360, 1654, 1666, 1904, 1960, 2380, 3308, 3332, 3920, 4135, 4165, 4760, 5789, 6616, 6664, 8270, 8330, 9520, 11578, 13232, 13328, 14059, 16540, 16660, 23156, 28118, 28945, 33080, 33320, 40523, 46312, 56236, 57890, 66160, 66640, 70295, 81046, 92624, 98413, 112472, 115780, 140590, 162092, 196826, 202615, 224944, 231560, 281180, 324184, 393652, 405230, 463120, 492065, 562360, 648368, 688891, 787304, 810460, 984130, 1124720, 1377782, 1574608, 1620920, 1968260, 2755564, 3241840, 3444455, 3936520, 5511128, 6888910, 7873040, 11022256, 13777820, 27555640, 55111280]

約数ペア:

[(1, 55111280), (2, 27555640), (4, 13777820), (5, 11022256), (7, 7873040), (8, 6888910), (10, 5511128), (14, 3936520), (16, 3444455), (17, 3241840), (20, 2755564), (28, 1968260), (34, 1620920), (35, 1574608), (40, 1377782), (49, 1124720), (56, 984130), (68, 810460), (70, 787304), (80, 688891), (85, 648368), (98, 562360), (112, 492065), (119, 463120), (136, 405230), (140, 393652), (170, 324184), (196, 281180), (238, 231560), (245, 224944), (272, 202615), (280, 196826), (340, 162092), (392, 140590), (476, 115780), (490, 112472), (560, 98413), (595, 92624), (680, 81046), (784, 70295), (827, 66640), (833, 66160), (952, 57890), (980, 56236), (1190, 46312), (1360, 40523), (1654, 33320), (1666, 33080), (1904, 28945), (1960, 28118), (2380, 23156), (3308, 16660), (3332, 16540), (3920, 14059), (4135, 13328), (4165, 13232), (4760, 11578), (5789, 9520), (6616, 8330), (6664, 8270)]