80424800

素因数分解:

$2^5\times 5^2\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:688

約数の個数: 72

約数和(自身を含む): 197643600

約数和(自身を除く): 117218800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 229, 400, 439, 458, 800, 878, 916, 1145, 1756, 1832, 2195, 2290, 3512, 3664, 4390, 4580, 5725, 7024, 7328, 8780, 9160, 10975, 11450, 14048, 17560, 18320, 21950, 22900, 35120, 36640, 43900, 45800, 70240, 87800, 91600, 100531, 175600, 183200, 201062, 351200, 402124, 502655, 804248, 1005310, 1608496, 2010620, 2513275, 3216992, 4021240, 5026550, 8042480, 10053100, 16084960, 20106200, 40212400, 80424800]

約数ペア:

[(1, 80424800), (2, 40212400), (4, 20106200), (5, 16084960), (8, 10053100), (10, 8042480), (16, 5026550), (20, 4021240), (25, 3216992), (32, 2513275), (40, 2010620), (50, 1608496), (80, 1005310), (100, 804248), (160, 502655), (200, 402124), (229, 351200), (400, 201062), (439, 183200), (458, 175600), (800, 100531), (878, 91600), (916, 87800), (1145, 70240), (1756, 45800), (1832, 43900), (2195, 36640), (2290, 35120), (3512, 22900), (3664, 21950), (4390, 18320), (4580, 17560), (5725, 14048), (7024, 11450), (7328, 10975), (8780, 9160)]