40192000

素因数分解:

$2^{11}\times 5^3\times {\mathrm{157}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 100933560

約数和(自身を除く): 60741560

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, 5024, 5120, 6280, 6400, 7850, 8000, 10048, 10240, 12560, 12800, 15700, 16000, 19625, 20096, 25120, 25600, 31400, 32000, 39250, 40192, 50240, 51200, 62800, 64000, 78500, 80384, 100480, 125600, 128000, 157000, 160768, 200960, 251200, 256000, 314000, 321536, 401920, 502400, 628000, 803840, 1004800, 1256000, 1607680, 2009600, 2512000, 4019200, 5024000, 8038400, 10048000, 20096000, 40192000]

約数ペア:

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