87005200

素因数分解:

$2^4\times 5^2\times {\mathrm{443}}^1\times {\mathrm{491}}^1$

素因数の和:952

約数の個数: 60

約数和(自身を含む): 209928528

約数和(自身を除く): 122923328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 443, 491, 886, 982, 1772, 1964, 2215, 2455, 3544, 3928, 4430, 4910, 7088, 7856, 8860, 9820, 11075, 12275, 17720, 19640, 22150, 24550, 35440, 39280, 44300, 49100, 88600, 98200, 177200, 196400, 217513, 435026, 870052, 1087565, 1740104, 2175130, 3480208, 4350260, 5437825, 8700520, 10875650, 17401040, 21751300, 43502600, 87005200]

約数ペア:

[(1, 87005200), (2, 43502600), (4, 21751300), (5, 17401040), (8, 10875650), (10, 8700520), (16, 5437825), (20, 4350260), (25, 3480208), (40, 2175130), (50, 1740104), (80, 1087565), (100, 870052), (200, 435026), (400, 217513), (443, 196400), (491, 177200), (886, 98200), (982, 88600), (1772, 49100), (1964, 44300), (2215, 39280), (2455, 35440), (3544, 24550), (3928, 22150), (4430, 19640), (4910, 17720), (7088, 12275), (7856, 11075), (8860, 9820)]