82701440

素因数分解:

$2^7\times 5^1\times {\mathrm{129221}}^1$

素因数の和:129240

約数の個数: 32

約数和(自身を含む): 197709660

約数和(自身を除く): 115008220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 129221, 258442, 516884, 646105, 1033768, 1292210, 2067536, 2584420, 4135072, 5168840, 8270144, 10337680, 16540288, 20675360, 41350720, 82701440]

約数ペア:

[(1, 82701440), (2, 41350720), (4, 20675360), (5, 16540288), (8, 10337680), (10, 8270144), (16, 5168840), (20, 4135072), (32, 2584420), (40, 2067536), (64, 1292210), (80, 1033768), (128, 646105), (160, 516884), (320, 258442), (640, 129221)]