20048000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{179}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 57283200

約数和(自身を除く): 37235200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 179, 200, 224, 250, 280, 320, 350, 358, 400, 448, 500, 560, 640, 700, 716, 800, 875, 895, 896, 1000, 1120, 1253, 1400, 1432, 1600, 1750, 1790, 2000, 2240, 2506, 2800, 2864, 3200, 3500, 3580, 4000, 4475, 4480, 5012, 5600, 5728, 6265, 7000, 7160, 8000, 8950, 10024, 11200, 11456, 12530, 14000, 14320, 16000, 17900, 20048, 22375, 22400, 22912, 25060, 28000, 28640, 31325, 35800, 40096, 44750, 50120, 56000, 57280, 62650, 71600, 80192, 89500, 100240, 112000, 114560, 125300, 143200, 156625, 160384, 179000, 200480, 250600, 286400, 313250, 358000, 400960, 501200, 572800, 626500, 716000, 801920, 1002400, 1253000, 1432000, 2004800, 2506000, 2864000, 4009600, 5012000, 10024000, 20048000]

約数ペア:

[(1, 20048000), (2, 10024000), (4, 5012000), (5, 4009600), (7, 2864000), (8, 2506000), (10, 2004800), (14, 1432000), (16, 1253000), (20, 1002400), (25, 801920), (28, 716000), (32, 626500), (35, 572800), (40, 501200), (50, 400960), (56, 358000), (64, 313250), (70, 286400), (80, 250600), (100, 200480), (112, 179000), (125, 160384), (128, 156625), (140, 143200), (160, 125300), (175, 114560), (179, 112000), (200, 100240), (224, 89500), (250, 80192), (280, 71600), (320, 62650), (350, 57280), (358, 56000), (400, 50120), (448, 44750), (500, 40096), (560, 35800), (640, 31325), (700, 28640), (716, 28000), (800, 25060), (875, 22912), (895, 22400), (896, 22375), (1000, 20048), (1120, 17900), (1253, 16000), (1400, 14320), (1432, 14000), (1600, 12530), (1750, 11456), (1790, 11200), (2000, 10024), (2240, 8950), (2506, 8000), (2800, 7160), (2864, 7000), (3200, 6265), (3500, 5728), (3580, 5600), (4000, 5012), (4475, 4480)]