65555380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 153369216

約数和(自身を除く): 87813836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 121, 206, 220, 242, 263, 412, 484, 515, 526, 605, 1030, 1052, 1133, 1210, 1315, 2060, 2266, 2420, 2630, 2893, 4532, 5260, 5665, 5786, 11330, 11572, 12463, 14465, 22660, 24926, 27089, 28930, 31823, 49852, 54178, 57860, 62315, 63646, 108356, 124630, 127292, 135445, 159115, 249260, 270890, 297979, 318230, 541780, 595958, 636460, 1191916, 1489895, 2979790, 3277769, 5959580, 6555538, 13111076, 16388845, 32777690, 65555380]

約数ペア:

[(1, 65555380), (2, 32777690), (4, 16388845), (5, 13111076), (10, 6555538), (11, 5959580), (20, 3277769), (22, 2979790), (44, 1489895), (55, 1191916), (103, 636460), (110, 595958), (121, 541780), (206, 318230), (220, 297979), (242, 270890), (263, 249260), (412, 159115), (484, 135445), (515, 127292), (526, 124630), (605, 108356), (1030, 63646), (1052, 62315), (1133, 57860), (1210, 54178), (1315, 49852), (2060, 31823), (2266, 28930), (2420, 27089), (2630, 24926), (2893, 22660), (4532, 14465), (5260, 12463), (5665, 11572), (5786, 11330)]