11945120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{617}}^1$

素因数の和:654

約数の個数: 72

約数和(自身を含む): 31069332

約数和(自身を除く): 19124212

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 617, 880, 968, 1210, 1234, 1760, 1936, 2420, 2468, 3085, 3872, 4840, 4936, 6170, 6787, 9680, 9872, 12340, 13574, 19360, 19744, 24680, 27148, 33935, 49360, 54296, 67870, 74657, 98720, 108592, 135740, 149314, 217184, 271480, 298628, 373285, 542960, 597256, 746570, 1085920, 1194512, 1493140, 2389024, 2986280, 5972560, 11945120]

約数ペア:

[(1, 11945120), (2, 5972560), (4, 2986280), (5, 2389024), (8, 1493140), (10, 1194512), (11, 1085920), (16, 746570), (20, 597256), (22, 542960), (32, 373285), (40, 298628), (44, 271480), (55, 217184), (80, 149314), (88, 135740), (110, 108592), (121, 98720), (160, 74657), (176, 67870), (220, 54296), (242, 49360), (352, 33935), (440, 27148), (484, 24680), (605, 19744), (617, 19360), (880, 13574), (968, 12340), (1210, 9872), (1234, 9680), (1760, 6787), (1936, 6170), (2420, 4936), (2468, 4840), (3085, 3872)]