65403860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 143035200

約数和(自身を除く): 77631340

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 860, 1180, 1289, 2537, 2578, 5074, 5156, 6445, 10148, 12685, 12890, 25370, 25780, 50740, 55427, 76051, 110854, 152102, 221708, 277135, 304204, 380255, 554270, 760510, 1108540, 1521020, 3270193, 6540386, 13080772, 16350965, 32701930, 65403860]

約数ペア:

[(1, 65403860), (2, 32701930), (4, 16350965), (5, 13080772), (10, 6540386), (20, 3270193), (43, 1521020), (59, 1108540), (86, 760510), (118, 554270), (172, 380255), (215, 304204), (236, 277135), (295, 221708), (430, 152102), (590, 110854), (860, 76051), (1180, 55427), (1289, 50740), (2537, 25780), (2578, 25370), (5074, 12890), (5156, 12685), (6445, 10148)]