27755320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 65707200

約数和(自身を除く): 37951880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 337, 355, 568, 580, 674, 710, 1160, 1348, 1420, 1685, 2059, 2696, 2840, 3370, 4118, 6740, 8236, 9773, 10295, 13480, 16472, 19546, 20590, 23927, 39092, 41180, 47854, 48865, 78184, 82360, 95708, 97730, 119635, 191416, 195460, 239270, 390920, 478540, 693883, 957080, 1387766, 2775532, 3469415, 5551064, 6938830, 13877660, 27755320]

約数ペア:

[(1, 27755320), (2, 13877660), (4, 6938830), (5, 5551064), (8, 3469415), (10, 2775532), (20, 1387766), (29, 957080), (40, 693883), (58, 478540), (71, 390920), (116, 239270), (142, 195460), (145, 191416), (232, 119635), (284, 97730), (290, 95708), (337, 82360), (355, 78184), (568, 48865), (580, 47854), (674, 41180), (710, 39092), (1160, 23927), (1348, 20590), (1420, 19546), (1685, 16472), (2059, 13480), (2696, 10295), (2840, 9773), (3370, 8236), (4118, 6740)]