26786540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 61719840

約数和(自身を除く): 34933300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313, 389, 626, 778, 1252, 1556, 1565, 1945, 3130, 3443, 3890, 4279, 6260, 6886, 7780, 8558, 13772, 17116, 17215, 21395, 34430, 42790, 68860, 85580, 121757, 243514, 487028, 608785, 1217570, 1339327, 2435140, 2678654, 5357308, 6696635, 13393270, 26786540]

約数ペア:

[(1, 26786540), (2, 13393270), (4, 6696635), (5, 5357308), (10, 2678654), (11, 2435140), (20, 1339327), (22, 1217570), (44, 608785), (55, 487028), (110, 243514), (220, 121757), (313, 85580), (389, 68860), (626, 42790), (778, 34430), (1252, 21395), (1556, 17215), (1565, 17116), (1945, 13772), (3130, 8558), (3443, 7780), (3890, 6886), (4279, 6260)]