11120000

素因数分解:

$2^7\times 5^4\times {\mathrm{139}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 27881700

約数和(自身を除く): 16761700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 139, 160, 200, 250, 278, 320, 400, 500, 556, 625, 640, 695, 800, 1000, 1112, 1250, 1390, 1600, 2000, 2224, 2500, 2780, 3200, 3475, 4000, 4448, 5000, 5560, 6950, 8000, 8896, 10000, 11120, 13900, 16000, 17375, 17792, 20000, 22240, 27800, 34750, 40000, 44480, 55600, 69500, 80000, 86875, 88960, 111200, 139000, 173750, 222400, 278000, 347500, 444800, 556000, 695000, 1112000, 1390000, 2224000, 2780000, 5560000, 11120000]

約数ペア:

[(1, 11120000), (2, 5560000), (4, 2780000), (5, 2224000), (8, 1390000), (10, 1112000), (16, 695000), (20, 556000), (25, 444800), (32, 347500), (40, 278000), (50, 222400), (64, 173750), (80, 139000), (100, 111200), (125, 88960), (128, 86875), (139, 80000), (160, 69500), (200, 55600), (250, 44480), (278, 40000), (320, 34750), (400, 27800), (500, 22240), (556, 20000), (625, 17792), (640, 17375), (695, 16000), (800, 13900), (1000, 11120), (1112, 10000), (1250, 8896), (1390, 8000), (1600, 6950), (2000, 5560), (2224, 5000), (2500, 4448), (2780, 4000), (3200, 3475)]