13785320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4721}}^1$

素因数の和:4805

約数の個数: 32

約数和(自身を含む): 31448520

約数和(自身を除く): 17663200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 4721, 9442, 18884, 23605, 37768, 47210, 94420, 188840, 344633, 689266, 1378532, 1723165, 2757064, 3446330, 6892660, 13785320]

約数ペア:

[(1, 13785320), (2, 6892660), (4, 3446330), (5, 2757064), (8, 1723165), (10, 1378532), (20, 689266), (40, 344633), (73, 188840), (146, 94420), (292, 47210), (365, 37768), (584, 23605), (730, 18884), (1460, 9442), (2920, 4721)]