51955520

素因数分解:

$2^6\times 5^1\times {\mathrm{229}}^1\times {\mathrm{709}}^1$

素因数の和:955

約数の個数: 56

約数和(自身を含む): 124434600

約数和(自身を除く): 72479080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 229, 320, 458, 709, 916, 1145, 1418, 1832, 2290, 2836, 3545, 3664, 4580, 5672, 7090, 7328, 9160, 11344, 14180, 14656, 18320, 22688, 28360, 36640, 45376, 56720, 73280, 113440, 162361, 226880, 324722, 649444, 811805, 1298888, 1623610, 2597776, 3247220, 5195552, 6494440, 10391104, 12988880, 25977760, 51955520]

約数ペア:

[(1, 51955520), (2, 25977760), (4, 12988880), (5, 10391104), (8, 6494440), (10, 5195552), (16, 3247220), (20, 2597776), (32, 1623610), (40, 1298888), (64, 811805), (80, 649444), (160, 324722), (229, 226880), (320, 162361), (458, 113440), (709, 73280), (916, 56720), (1145, 45376), (1418, 36640), (1832, 28360), (2290, 22688), (2836, 18320), (3545, 14656), (3664, 14180), (4580, 11344), (5672, 9160), (7090, 7328)]