40855040

素因数分解:

$2^9\times 5^1\times {\mathrm{15959}}^1$

素因数の和:15982

約数の個数: 40

約数和(自身を含む): 97962480

約数和(自身を除く): 57107440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15959, 31918, 63836, 79795, 127672, 159590, 255344, 319180, 510688, 638360, 1021376, 1276720, 2042752, 2553440, 4085504, 5106880, 8171008, 10213760, 20427520, 40855040]

約数ペア:

[(1, 40855040), (2, 20427520), (4, 10213760), (5, 8171008), (8, 5106880), (10, 4085504), (16, 2553440), (20, 2042752), (32, 1276720), (40, 1021376), (64, 638360), (80, 510688), (128, 319180), (160, 255344), (256, 159590), (320, 127672), (512, 79795), (640, 63836), (1280, 31918), (2560, 15959)]