70288520

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2543}}^1$

素因数の和:3245

約数の個数: 32

約数和(自身を含む): 158440320

約数和(自身を除く): 88151800

約数列:

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

約数ペア:

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