64309760

素因数分解:

$2^9\times 5^1\times {\mathrm{25121}}^1$

素因数の和:25144

約数の個数: 40

約数和(自身を含む): 154198836

約数和(自身を除く): 89889076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25121, 50242, 100484, 125605, 200968, 251210, 401936, 502420, 803872, 1004840, 1607744, 2009680, 3215488, 4019360, 6430976, 8038720, 12861952, 16077440, 32154880, 64309760]

約数ペア:

[(1, 64309760), (2, 32154880), (4, 16077440), (5, 12861952), (8, 8038720), (10, 6430976), (16, 4019360), (20, 3215488), (32, 2009680), (40, 1607744), (64, 1004840), (80, 803872), (128, 502420), (160, 401936), (256, 251210), (320, 200968), (512, 125605), (640, 100484), (1280, 50242), (2560, 25121)]