26284820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 56963088

約数和(自身を除く): 30678268

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 137, 181, 212, 265, 274, 362, 530, 548, 685, 724, 905, 1060, 1370, 1810, 2740, 3620, 7261, 9593, 14522, 19186, 24797, 29044, 36305, 38372, 47965, 49594, 72610, 95930, 99188, 123985, 145220, 191860, 247970, 495940, 1314241, 2628482, 5256964, 6571205, 13142410, 26284820]

約数ペア:

[(1, 26284820), (2, 13142410), (4, 6571205), (5, 5256964), (10, 2628482), (20, 1314241), (53, 495940), (106, 247970), (137, 191860), (181, 145220), (212, 123985), (265, 99188), (274, 95930), (362, 72610), (530, 49594), (548, 47965), (685, 38372), (724, 36305), (905, 29044), (1060, 24797), (1370, 19186), (1810, 14522), (2740, 9593), (3620, 7261)]