81954880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36587}}^1$

素因数の和:36611

約数の個数: 56

約数和(自身を含む): 223040448

約数和(自身を除く): 141085568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36587, 73174, 146348, 182935, 256109, 292696, 365870, 512218, 585392, 731740, 1024436, 1170784, 1280545, 1463480, 2048872, 2341568, 2561090, 2926960, 4097744, 5122180, 5853920, 8195488, 10244360, 11707840, 16390976, 20488720, 40977440, 81954880]

約数ペア:

[(1, 81954880), (2, 40977440), (4, 20488720), (5, 16390976), (7, 11707840), (8, 10244360), (10, 8195488), (14, 5853920), (16, 5122180), (20, 4097744), (28, 2926960), (32, 2561090), (35, 2341568), (40, 2048872), (56, 1463480), (64, 1280545), (70, 1170784), (80, 1024436), (112, 731740), (140, 585392), (160, 512218), (224, 365870), (280, 292696), (320, 256109), (448, 182935), (560, 146348), (1120, 73174), (2240, 36587)]