2507720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 5728320

約数和(自身を除く): 3220600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 883, 1420, 1766, 2840, 3532, 4415, 7064, 8830, 17660, 35320, 62693, 125386, 250772, 313465, 501544, 626930, 1253860, 2507720]

約数ペア:

[(1, 2507720), (2, 1253860), (4, 626930), (5, 501544), (8, 313465), (10, 250772), (20, 125386), (40, 62693), (71, 35320), (142, 17660), (284, 8830), (355, 7064), (568, 4415), (710, 3532), (883, 2840), (1420, 1766)]