131360260

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{60257}}^1$

素因数の和:60375

約数の個数: 24

約数和(自身を含む): 278391960

約数和(自身を除く): 147031700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 60257, 120514, 241028, 301285, 602570, 1205140, 6568013, 13136026, 26272052, 32840065, 65680130, 131360260]

約数ペア:

[(1, 131360260), (2, 65680130), (4, 32840065), (5, 26272052), (10, 13136026), (20, 6568013), (109, 1205140), (218, 602570), (436, 301285), (545, 241028), (1090, 120514), (2180, 60257)]