50240000

素因数分解:

$2^9\times 5^4\times {\mathrm{157}}^1$

素因数の和:195

約数の個数: 100

約数和(自身を含む): 126236154

約数和(自身を除く): 75996154

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, 1250, 1256, 1280, 1570, 1600, 2000, 2500, 2512, 2560, 3140, 3200, 3925, 4000, 5000, 5024, 6280, 6400, 7850, 8000, 10000, 10048, 12560, 12800, 15700, 16000, 19625, 20000, 20096, 25120, 31400, 32000, 39250, 40000, 40192, 50240, 62800, 64000, 78500, 80000, 80384, 98125, 100480, 125600, 157000, 160000, 196250, 200960, 251200, 314000, 320000, 392500, 401920, 502400, 628000, 785000, 1004800, 1256000, 1570000, 2009600, 2512000, 3140000, 5024000, 6280000, 10048000, 12560000, 25120000, 50240000]

約数ペア:

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