90994640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1951}}^1$

素因数の和:2028

約数の個数: 80

約数和(自身を含む): 235270656

約数和(自身を除く): 144276016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 848, 880, 1060, 1166, 1951, 2120, 2332, 2915, 3902, 4240, 4664, 5830, 7804, 9328, 9755, 11660, 15608, 19510, 21461, 23320, 31216, 39020, 42922, 46640, 78040, 85844, 103403, 107305, 156080, 171688, 206806, 214610, 343376, 413612, 429220, 517015, 827224, 858440, 1034030, 1137433, 1654448, 1716880, 2068060, 2274866, 4136120, 4549732, 5687165, 8272240, 9099464, 11374330, 18198928, 22748660, 45497320, 90994640]

約数ペア:

[(1, 90994640), (2, 45497320), (4, 22748660), (5, 18198928), (8, 11374330), (10, 9099464), (11, 8272240), (16, 5687165), (20, 4549732), (22, 4136120), (40, 2274866), (44, 2068060), (53, 1716880), (55, 1654448), (80, 1137433), (88, 1034030), (106, 858440), (110, 827224), (176, 517015), (212, 429220), (220, 413612), (265, 343376), (424, 214610), (440, 206806), (530, 171688), (583, 156080), (848, 107305), (880, 103403), (1060, 85844), (1166, 78040), (1951, 46640), (2120, 42922), (2332, 39020), (2915, 31216), (3902, 23320), (4240, 21461), (4664, 19510), (5830, 15608), (7804, 11660), (9328, 9755)]