40256720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71887}}^1$

素因数の和:71907

約数の個数: 40

約数和(自身を含む): 106969344

約数和(自身を除く): 66712624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71887, 143774, 287548, 359435, 503209, 575096, 718870, 1006418, 1150192, 1437740, 2012836, 2516045, 2875480, 4025672, 5032090, 5750960, 8051344, 10064180, 20128360, 40256720]

約数ペア:

[(1, 40256720), (2, 20128360), (4, 10064180), (5, 8051344), (7, 5750960), (8, 5032090), (10, 4025672), (14, 2875480), (16, 2516045), (20, 2012836), (28, 1437740), (35, 1150192), (40, 1006418), (56, 718870), (70, 575096), (80, 503209), (112, 359435), (140, 287548), (280, 143774), (560, 71887)]