40008640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:414

約数の個数: 112

約数和(自身を含む): 111264192

約数和(自身を除く): 71255552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 320, 337, 371, 424, 448, 530, 560, 674, 742, 848, 1060, 1120, 1348, 1484, 1685, 1696, 1855, 2120, 2240, 2359, 2696, 2968, 3370, 3392, 3710, 4240, 4718, 5392, 5936, 6740, 7420, 8480, 9436, 10784, 11795, 11872, 13480, 14840, 16960, 17861, 18872, 21568, 23590, 23744, 26960, 29680, 35722, 37744, 47180, 53920, 59360, 71444, 75488, 89305, 94360, 107840, 118720, 125027, 142888, 150976, 178610, 188720, 250054, 285776, 357220, 377440, 500108, 571552, 625135, 714440, 754880, 1000216, 1143104, 1250270, 1428880, 2000432, 2500540, 2857760, 4000864, 5001080, 5715520, 8001728, 10002160, 20004320, 40008640]

約数ペア:

[(1, 40008640), (2, 20004320), (4, 10002160), (5, 8001728), (7, 5715520), (8, 5001080), (10, 4000864), (14, 2857760), (16, 2500540), (20, 2000432), (28, 1428880), (32, 1250270), (35, 1143104), (40, 1000216), (53, 754880), (56, 714440), (64, 625135), (70, 571552), (80, 500108), (106, 377440), (112, 357220), (140, 285776), (160, 250054), (212, 188720), (224, 178610), (265, 150976), (280, 142888), (320, 125027), (337, 118720), (371, 107840), (424, 94360), (448, 89305), (530, 75488), (560, 71444), (674, 59360), (742, 53920), (848, 47180), (1060, 37744), (1120, 35722), (1348, 29680), (1484, 26960), (1685, 23744), (1696, 23590), (1855, 21568), (2120, 18872), (2240, 17861), (2359, 16960), (2696, 14840), (2968, 13480), (3370, 11872), (3392, 11795), (3710, 10784), (4240, 9436), (4718, 8480), (5392, 7420), (5936, 6740)]