4988800

素因数分解:

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

素因数の和:1583

約数の個数: 48

約数和(自身を含む): 12331800

約数和(自身を除く): 7343000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1559, 1600, 3118, 3200, 6236, 7795, 12472, 15590, 24944, 31180, 38975, 49888, 62360, 77950, 99776, 124720, 155900, 199552, 249440, 311800, 498880, 623600, 997760, 1247200, 2494400, 4988800]

約数ペア:

[(1, 4988800), (2, 2494400), (4, 1247200), (5, 997760), (8, 623600), (10, 498880), (16, 311800), (20, 249440), (25, 199552), (32, 155900), (40, 124720), (50, 99776), (64, 77950), (80, 62360), (100, 49888), (128, 38975), (160, 31180), (200, 24944), (320, 15590), (400, 12472), (640, 7795), (800, 6236), (1559, 3200), (1600, 3118)]