80384000

素因数分解:

$2^{12}\times 5^3\times {\mathrm{157}}^1$

素因数の和:196

約数の個数: 104

約数和(自身を含む): 201891768

約数和(自身を除く): 121507768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 157, 160, 200, 250, 256, 314, 320, 400, 500, 512, 628, 640, 785, 800, 1000, 1024, 1256, 1280, 1570, 1600, 2000, 2048, 2512, 2560, 3140, 3200, 3925, 4000, 4096, 5024, 5120, 6280, 6400, 7850, 8000, 10048, 10240, 12560, 12800, 15700, 16000, 19625, 20096, 20480, 25120, 25600, 31400, 32000, 39250, 40192, 50240, 51200, 62800, 64000, 78500, 80384, 100480, 102400, 125600, 128000, 157000, 160768, 200960, 251200, 256000, 314000, 321536, 401920, 502400, 512000, 628000, 643072, 803840, 1004800, 1256000, 1607680, 2009600, 2512000, 3215360, 4019200, 5024000, 8038400, 10048000, 16076800, 20096000, 40192000, 80384000]

約数ペア:

[(1, 80384000), (2, 40192000), (4, 20096000), (5, 16076800), (8, 10048000), (10, 8038400), (16, 5024000), (20, 4019200), (25, 3215360), (32, 2512000), (40, 2009600), (50, 1607680), (64, 1256000), (80, 1004800), (100, 803840), (125, 643072), (128, 628000), (157, 512000), (160, 502400), (200, 401920), (250, 321536), (256, 314000), (314, 256000), (320, 251200), (400, 200960), (500, 160768), (512, 157000), (628, 128000), (640, 125600), (785, 102400), (800, 100480), (1000, 80384), (1024, 78500), (1256, 64000), (1280, 62800), (1570, 51200), (1600, 50240), (2000, 40192), (2048, 39250), (2512, 32000), (2560, 31400), (3140, 25600), (3200, 25120), (3925, 20480), (4000, 20096), (4096, 19625), (5024, 16000), (5120, 15700), (6280, 12800), (6400, 12560), (7850, 10240), (8000, 10048)]