51275800

素因数分解:

$2^3\times 5^2\times {\mathrm{449}}^1\times {\mathrm{571}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 119691000

約数和(自身を除く): 68415200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 449, 571, 898, 1142, 1796, 2245, 2284, 2855, 3592, 4490, 4568, 5710, 8980, 11225, 11420, 14275, 17960, 22450, 22840, 28550, 44900, 57100, 89800, 114200, 256379, 512758, 1025516, 1281895, 2051032, 2563790, 5127580, 6409475, 10255160, 12818950, 25637900, 51275800]

約数ペア:

[(1, 51275800), (2, 25637900), (4, 12818950), (5, 10255160), (8, 6409475), (10, 5127580), (20, 2563790), (25, 2051032), (40, 1281895), (50, 1025516), (100, 512758), (200, 256379), (449, 114200), (571, 89800), (898, 57100), (1142, 44900), (1796, 28550), (2245, 22840), (2284, 22450), (2855, 17960), (3592, 14275), (4490, 11420), (4568, 11225), (5710, 8980)]