26586820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 60505200

約数和(自身を除く): 33918380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 349, 586, 698, 1172, 1396, 1465, 1745, 2930, 3490, 3809, 4537, 5860, 6980, 7618, 9074, 15236, 18148, 19045, 22685, 38090, 45370, 76180, 90740, 102257, 204514, 409028, 511285, 1022570, 1329341, 2045140, 2658682, 5317364, 6646705, 13293410, 26586820]

約数ペア:

[(1, 26586820), (2, 13293410), (4, 6646705), (5, 5317364), (10, 2658682), (13, 2045140), (20, 1329341), (26, 1022570), (52, 511285), (65, 409028), (130, 204514), (260, 102257), (293, 90740), (349, 76180), (586, 45370), (698, 38090), (1172, 22685), (1396, 19045), (1465, 18148), (1745, 15236), (2930, 9074), (3490, 7618), (3809, 6980), (4537, 5860)]