140577040

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2543}}^1$

素因数の和:3247

約数の個数: 40

約数和(自身を含む): 327443328

約数和(自身を除く): 186866288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 2543, 2764, 3455, 5086, 5528, 6910, 10172, 11056, 12715, 13820, 20344, 25430, 27640, 40688, 50860, 55280, 101720, 203440, 1757213, 3514426, 7028852, 8786065, 14057704, 17572130, 28115408, 35144260, 70288520, 140577040]

約数ペア:

[(1, 140577040), (2, 70288520), (4, 35144260), (5, 28115408), (8, 17572130), (10, 14057704), (16, 8786065), (20, 7028852), (40, 3514426), (80, 1757213), (691, 203440), (1382, 101720), (2543, 55280), (2764, 50860), (3455, 40688), (5086, 27640), (5528, 25430), (6910, 20344), (10172, 13820), (11056, 12715)]