81994600

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 201103200

約数和(自身を除く): 119108600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 67, 100, 116, 134, 145, 200, 211, 232, 268, 290, 335, 422, 536, 580, 670, 725, 844, 1055, 1160, 1340, 1450, 1675, 1688, 1943, 2110, 2680, 2900, 3350, 3886, 4220, 5275, 5800, 6119, 6700, 7772, 8440, 9715, 10550, 12238, 13400, 14137, 15544, 19430, 21100, 24476, 28274, 30595, 38860, 42200, 48575, 48952, 56548, 61190, 70685, 77720, 97150, 113096, 122380, 141370, 152975, 194300, 244760, 282740, 305950, 353425, 388600, 409973, 565480, 611900, 706850, 819946, 1223800, 1413700, 1639892, 2049865, 2827400, 3279784, 4099730, 8199460, 10249325, 16398920, 20498650, 40997300, 81994600]

約数ペア:

[(1, 81994600), (2, 40997300), (4, 20498650), (5, 16398920), (8, 10249325), (10, 8199460), (20, 4099730), (25, 3279784), (29, 2827400), (40, 2049865), (50, 1639892), (58, 1413700), (67, 1223800), (100, 819946), (116, 706850), (134, 611900), (145, 565480), (200, 409973), (211, 388600), (232, 353425), (268, 305950), (290, 282740), (335, 244760), (422, 194300), (536, 152975), (580, 141370), (670, 122380), (725, 113096), (844, 97150), (1055, 77720), (1160, 70685), (1340, 61190), (1450, 56548), (1675, 48952), (1688, 48575), (1943, 42200), (2110, 38860), (2680, 30595), (2900, 28274), (3350, 24476), (3886, 21100), (4220, 19430), (5275, 15544), (5800, 14137), (6119, 13400), (6700, 12238), (7772, 10550), (8440, 9715)]