801520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:289

約数の個数: 40

約数和(自身を含む): 1915056

約数和(自身を除く): 1113536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 233, 344, 430, 466, 688, 860, 932, 1165, 1720, 1864, 2330, 3440, 3728, 4660, 9320, 10019, 18640, 20038, 40076, 50095, 80152, 100190, 160304, 200380, 400760, 801520]

約数ペア:

[(1, 801520), (2, 400760), (4, 200380), (5, 160304), (8, 100190), (10, 80152), (16, 50095), (20, 40076), (40, 20038), (43, 18640), (80, 10019), (86, 9320), (172, 4660), (215, 3728), (233, 3440), (344, 2330), (430, 1864), (466, 1720), (688, 1165), (860, 932)]