64048840

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{4363}}^1$

素因数の和:4741

約数の個数: 32

約数和(自身を含む): 144535680

約数和(自身を除く): 80486840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 4363, 7340, 8726, 14680, 17452, 21815, 34904, 43630, 87260, 174520, 1601221, 3202442, 6404884, 8006105, 12809768, 16012210, 32024420, 64048840]

約数ペア:

[(1, 64048840), (2, 32024420), (4, 16012210), (5, 12809768), (8, 8006105), (10, 6404884), (20, 3202442), (40, 1601221), (367, 174520), (734, 87260), (1468, 43630), (1835, 34904), (2936, 21815), (3670, 17452), (4363, 14680), (7340, 8726)]