89435440

素因数分解:

$2^4\times 5^1\times {\mathrm{1117943}}^1$

素因数の和:1117956

約数の個数: 20

約数和(自身を含む): 207937584

約数和(自身を除く): 118502144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1117943, 2235886, 4471772, 5589715, 8943544, 11179430, 17887088, 22358860, 44717720, 89435440]

約数ペア:

[(1, 89435440), (2, 44717720), (4, 22358860), (5, 17887088), (8, 11179430), (10, 8943544), (16, 5589715), (20, 4471772), (40, 2235886), (80, 1117943)]