997760

素因数分解:

$2^7\times 5^1\times {\mathrm{1559}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 2386800

約数和(自身を除く): 1389040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1559, 3118, 6236, 7795, 12472, 15590, 24944, 31180, 49888, 62360, 99776, 124720, 199552, 249440, 498880, 997760]

約数ペア:

[(1, 997760), (2, 498880), (4, 249440), (5, 199552), (8, 124720), (10, 99776), (16, 62360), (20, 49888), (32, 31180), (40, 24944), (64, 15590), (80, 12472), (128, 7795), (160, 6236), (320, 3118), (640, 1559)]