1282869760

素因数分解:

$2^9\times 5^1\times {\mathrm{501121}}^1$

素因数の和:501144

約数の個数: 40

約数和(自身を含む): 3075886836

約数和(自身を除く): 1793017076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 501121, 1002242, 2004484, 2505605, 4008968, 5011210, 8017936, 10022420, 16035872, 20044840, 32071744, 40089680, 64143488, 80179360, 128286976, 160358720, 256573952, 320717440, 641434880, 1282869760]

約数ペア:

[(1, 1282869760), (2, 641434880), (4, 320717440), (5, 256573952), (8, 160358720), (10, 128286976), (16, 80179360), (20, 64143488), (32, 40089680), (40, 32071744), (64, 20044840), (80, 16035872), (128, 10022420), (160, 8017936), (256, 5011210), (320, 4008968), (512, 2505605), (640, 2004484), (1280, 1002242), (2560, 501121)]