100480000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{157}}^1$

素因数の和:197

約数の個数: 110

約数和(自身を含む): 252595706

約数和(自身を除く): 152115706

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, 2500, 2512, 2560, 3140, 3200, 3925, 4000, 5000, 5024, 5120, 6280, 6400, 7850, 8000, 10000, 10048, 12560, 12800, 15700, 16000, 19625, 20000, 20096, 25120, 25600, 31400, 32000, 39250, 40000, 40192, 50240, 62800, 64000, 78500, 80000, 80384, 98125, 100480, 125600, 128000, 157000, 160000, 160768, 196250, 200960, 251200, 314000, 320000, 392500, 401920, 502400, 628000, 640000, 785000, 803840, 1004800, 1256000, 1570000, 2009600, 2512000, 3140000, 4019200, 5024000, 6280000, 10048000, 12560000, 20096000, 25120000, 50240000, 100480000]

約数ペア:

[(1, 100480000), (2, 50240000), (4, 25120000), (5, 20096000), (8, 12560000), (10, 10048000), (16, 6280000), (20, 5024000), (25, 4019200), (32, 3140000), (40, 2512000), (50, 2009600), (64, 1570000), (80, 1256000), (100, 1004800), (125, 803840), (128, 785000), (157, 640000), (160, 628000), (200, 502400), (250, 401920), (256, 392500), (314, 320000), (320, 314000), (400, 251200), (500, 200960), (512, 196250), (625, 160768), (628, 160000), (640, 157000), (785, 128000), (800, 125600), (1000, 100480), (1024, 98125), (1250, 80384), (1256, 80000), (1280, 78500), (1570, 64000), (1600, 62800), (2000, 50240), (2500, 40192), (2512, 40000), (2560, 39250), (3140, 32000), (3200, 31400), (3925, 25600), (4000, 25120), (5000, 20096), (5024, 20000), (5120, 19625), (6280, 16000), (6400, 15700), (7850, 12800), (8000, 12560), (10000, 10048)]