66345320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22721}}^1$

素因数の和:22805

約数の個数: 32

約数和(自身を含む): 151328520

約数和(自身を除く): 84983200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 22721, 45442, 90884, 113605, 181768, 227210, 454420, 908840, 1658633, 3317266, 6634532, 8293165, 13269064, 16586330, 33172660, 66345320]

約数ペア:

[(1, 66345320), (2, 33172660), (4, 16586330), (5, 13269064), (8, 8293165), (10, 6634532), (20, 3317266), (40, 1658633), (73, 908840), (146, 454420), (292, 227210), (365, 181768), (584, 113605), (730, 90884), (1460, 45442), (2920, 22721)]