23901520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2741}}^1$

素因数の和:2863

約数の個数: 40

約数和(自身を含む): 56101320

約数和(自身を除く): 32199800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 2741, 4360, 5482, 8720, 10964, 13705, 21928, 27410, 43856, 54820, 109640, 219280, 298769, 597538, 1195076, 1493845, 2390152, 2987690, 4780304, 5975380, 11950760, 23901520]

約数ペア:

[(1, 23901520), (2, 11950760), (4, 5975380), (5, 4780304), (8, 2987690), (10, 2390152), (16, 1493845), (20, 1195076), (40, 597538), (80, 298769), (109, 219280), (218, 109640), (436, 54820), (545, 43856), (872, 27410), (1090, 21928), (1744, 13705), (2180, 10964), (2741, 8720), (4360, 5482)]