161248000

素因数分解:

$2^8\times 5^3\times {\mathrm{5039}}^1$

素因数の和:5070

約数の個数: 72

約数和(自身を含む): 401768640

約数和(自身を除く): 240520640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 5039, 6400, 8000, 10078, 16000, 20156, 25195, 32000, 40312, 50390, 80624, 100780, 125975, 161248, 201560, 251950, 322496, 403120, 503900, 629875, 644992, 806240, 1007800, 1259750, 1289984, 1612480, 2015600, 2519500, 3224960, 4031200, 5039000, 6449920, 8062400, 10078000, 16124800, 20156000, 32249600, 40312000, 80624000, 161248000]

約数ペア:

[(1, 161248000), (2, 80624000), (4, 40312000), (5, 32249600), (8, 20156000), (10, 16124800), (16, 10078000), (20, 8062400), (25, 6449920), (32, 5039000), (40, 4031200), (50, 3224960), (64, 2519500), (80, 2015600), (100, 1612480), (125, 1289984), (128, 1259750), (160, 1007800), (200, 806240), (250, 644992), (256, 629875), (320, 503900), (400, 403120), (500, 322496), (640, 251950), (800, 201560), (1000, 161248), (1280, 125975), (1600, 100780), (2000, 80624), (3200, 50390), (4000, 40312), (5039, 32000), (6400, 25195), (8000, 20156), (10078, 16000)]