2672440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{941}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 6104160

約数和(自身を除く): 3431720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 941, 1420, 1882, 2840, 3764, 4705, 7528, 9410, 18820, 37640, 66811, 133622, 267244, 334055, 534488, 668110, 1336220, 2672440]

約数ペア:

[(1, 2672440), (2, 1336220), (4, 668110), (5, 534488), (8, 334055), (10, 267244), (20, 133622), (40, 66811), (71, 37640), (142, 18820), (284, 9410), (355, 7528), (568, 4705), (710, 3764), (941, 2840), (1420, 1882)]