2047280

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 40

約数和(自身を含む): 4819632

約数和(自身を除く): 2772352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 163, 314, 326, 628, 652, 785, 815, 1256, 1304, 1570, 1630, 2512, 2608, 3140, 3260, 6280, 6520, 12560, 13040, 25591, 51182, 102364, 127955, 204728, 255910, 409456, 511820, 1023640, 2047280]

約数ペア:

[(1, 2047280), (2, 1023640), (4, 511820), (5, 409456), (8, 255910), (10, 204728), (16, 127955), (20, 102364), (40, 51182), (80, 25591), (157, 13040), (163, 12560), (314, 6520), (326, 6280), (628, 3260), (652, 3140), (785, 2608), (815, 2512), (1256, 1630), (1304, 1570)]