803840000

素因数分解:

$2^{13}\times 5^4\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 140

約数和(自身を含む): 2021629434

約数和(自身を除く): 1217789434

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, 625, 628, 640, 785, 800, 1000, 1024, 1250, 1256, 1280, 1570, 1600, 2000, 2048, 2500, 2512, 2560, 3140, 3200, 3925, 4000, 4096, 5000, 5024, 5120, 6280, 6400, 7850, 8000, 8192, 10000, 10048, 10240, 12560, 12800, 15700, 16000, 19625, 20000, 20096, 20480, 25120, 25600, 31400, 32000, 39250, 40000, 40192, 40960, 50240, 51200, 62800, 64000, 78500, 80000, 80384, 98125, 100480, 102400, 125600, 128000, 157000, 160000, 160768, 196250, 200960, 204800, 251200, 256000, 314000, 320000, 321536, 392500, 401920, 502400, 512000, 628000, 640000, 643072, 785000, 803840, 1004800, 1024000, 1256000, 1280000, 1286144, 1570000, 1607680, 2009600, 2512000, 2560000, 3140000, 3215360, 4019200, 5024000, 5120000, 6280000, 6430720, 8038400, 10048000, 12560000, 16076800, 20096000, 25120000, 32153600, 40192000, 50240000, 80384000, 100480000, 160768000, 200960000, 401920000, 803840000]

約数ペア:

[(1, 803840000), (2, 401920000), (4, 200960000), (5, 160768000), (8, 100480000), (10, 80384000), (16, 50240000), (20, 40192000), (25, 32153600), (32, 25120000), (40, 20096000), (50, 16076800), (64, 12560000), (80, 10048000), (100, 8038400), (125, 6430720), (128, 6280000), (157, 5120000), (160, 5024000), (200, 4019200), (250, 3215360), (256, 3140000), (314, 2560000), (320, 2512000), (400, 2009600), (500, 1607680), (512, 1570000), (625, 1286144), (628, 1280000), (640, 1256000), (785, 1024000), (800, 1004800), (1000, 803840), (1024, 785000), (1250, 643072), (1256, 640000), (1280, 628000), (1570, 512000), (1600, 502400), (2000, 401920), (2048, 392500), (2500, 321536), (2512, 320000), (2560, 314000), (3140, 256000), (3200, 251200), (3925, 204800), (4000, 200960), (4096, 196250), (5000, 160768), (5024, 160000), (5120, 157000), (6280, 128000), (6400, 125600), (7850, 102400), (8000, 100480), (8192, 98125), (10000, 80384), (10048, 80000), (10240, 78500), (12560, 64000), (12800, 62800), (15700, 51200), (16000, 50240), (19625, 40960), (20000, 40192), (20096, 40000), (20480, 39250), (25120, 32000), (25600, 31400)]