1244736560

素因数分解:

$2^4\times 5^1\times {\mathrm{15559207}}^1$

素因数の和:15559220

約数の個数: 20

約数和(自身を含む): 2894012688

約数和(自身を除く): 1649276128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15559207, 31118414, 62236828, 77796035, 124473656, 155592070, 248947312, 311184140, 622368280, 1244736560]

約数ペア:

[(1, 1244736560), (2, 622368280), (4, 311184140), (5, 248947312), (8, 155592070), (10, 124473656), (16, 77796035), (20, 62236828), (40, 31118414), (80, 15559207)]