11215160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 27993600

約数和(自身を除く): 16778440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 359, 440, 568, 710, 718, 781, 1420, 1436, 1562, 1795, 2840, 2872, 3124, 3590, 3905, 3949, 6248, 7180, 7810, 7898, 14360, 15620, 15796, 19745, 25489, 31240, 31592, 39490, 50978, 78980, 101956, 127445, 157960, 203912, 254890, 280379, 509780, 560758, 1019560, 1121516, 1401895, 2243032, 2803790, 5607580, 11215160]

約数ペア:

[(1, 11215160), (2, 5607580), (4, 2803790), (5, 2243032), (8, 1401895), (10, 1121516), (11, 1019560), (20, 560758), (22, 509780), (40, 280379), (44, 254890), (55, 203912), (71, 157960), (88, 127445), (110, 101956), (142, 78980), (220, 50978), (284, 39490), (355, 31592), (359, 31240), (440, 25489), (568, 19745), (710, 15796), (718, 15620), (781, 14360), (1420, 7898), (1436, 7810), (1562, 7180), (1795, 6248), (2840, 3949), (2872, 3905), (3124, 3590)]