320384000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{2503}}^1$

素因数の和:2538

約数の個数: 88

約数和(自身を含む): 799607328

約数和(自身を除く): 479223328

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, 512, 640, 800, 1000, 1024, 1280, 1600, 2000, 2503, 2560, 3200, 4000, 5006, 5120, 6400, 8000, 10012, 12515, 12800, 16000, 20024, 25030, 25600, 32000, 40048, 50060, 62575, 64000, 80096, 100120, 125150, 128000, 160192, 200240, 250300, 312875, 320384, 400480, 500600, 625750, 640768, 800960, 1001200, 1251500, 1281536, 1601920, 2002400, 2503000, 2563072, 3203840, 4004800, 5006000, 6407680, 8009600, 10012000, 12815360, 16019200, 20024000, 32038400, 40048000, 64076800, 80096000, 160192000, 320384000]

約数ペア:

[(1, 320384000), (2, 160192000), (4, 80096000), (5, 64076800), (8, 40048000), (10, 32038400), (16, 20024000), (20, 16019200), (25, 12815360), (32, 10012000), (40, 8009600), (50, 6407680), (64, 5006000), (80, 4004800), (100, 3203840), (125, 2563072), (128, 2503000), (160, 2002400), (200, 1601920), (250, 1281536), (256, 1251500), (320, 1001200), (400, 800960), (500, 640768), (512, 625750), (640, 500600), (800, 400480), (1000, 320384), (1024, 312875), (1280, 250300), (1600, 200240), (2000, 160192), (2503, 128000), (2560, 125150), (3200, 100120), (4000, 80096), (5006, 64000), (5120, 62575), (6400, 50060), (8000, 40048), (10012, 32000), (12515, 25600), (12800, 25030), (16000, 20024)]